161818020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 384

約数和(自身を含む): 643507200

約数和(自身を除く): 481689180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 37, 39, 42, 45, 52, 54, 60, 63, 65, 70, 74, 78, 84, 89, 90, 91, 105, 108, 111, 117, 126, 130, 135, 140, 148, 156, 178, 180, 182, 185, 189, 195, 210, 222, 234, 252, 259, 260, 267, 270, 273, 315, 333, 351, 356, 364, 370, 378, 390, 420, 444, 445, 455, 468, 481, 518, 534, 540, 546, 555, 585, 623, 630, 666, 702, 740, 756, 777, 780, 801, 819, 890, 910, 945, 962, 999, 1036, 1068, 1092, 1110, 1157, 1170, 1246, 1260, 1295, 1332, 1335, 1365, 1404, 1443, 1554, 1602, 1638, 1665, 1755, 1780, 1820, 1869, 1890, 1924, 1998, 2220, 2314, 2331, 2340, 2403, 2405, 2457, 2492, 2590, 2670, 2730, 2886, 3108, 3115, 3204, 3276, 3293, 3330, 3367, 3471, 3510, 3738, 3780, 3885, 3996, 4005, 4095, 4329, 4628, 4662, 4806, 4810, 4914, 4995, 5180, 5340, 5460, 5607, 5772, 5785, 6230, 6586, 6660, 6734, 6942, 6993, 7020, 7215, 7476, 7770, 8010, 8099, 8190, 8658, 9324, 9345, 9612, 9620, 9828, 9879, 9990, 10101, 10413, 11214, 11570, 11655, 12015, 12285, 12460, 12987, 13172, 13468, 13884, 13986, 14430, 15540, 16020, 16198, 16380, 16465, 16821, 16835, 17316, 17355, 18690, 19758, 19980, 20202, 20826, 21645, 22428, 23051, 23140, 23310, 24030, 24297, 24570, 25974, 27972, 28035, 28860, 29637, 30303, 31239, 32396, 32930, 33642, 33670, 34710, 34965, 37380, 39516, 40404, 40495, 41652, 42809, 43290, 46102, 46620, 48060, 48594, 49140, 49395, 50505, 51948, 52065, 56070, 59274, 60606, 62478, 64935, 65860, 67284, 67340, 69153, 69420, 69930, 72891, 80990, 84105, 85618, 86580, 88911, 90909, 92204, 97188, 98790, 101010, 104130, 112140, 115255, 118548, 121212, 121485, 124956, 128427, 129870, 138306, 139860, 145782, 148185, 151515, 156195, 161980, 168210, 171236, 177822, 181818, 197580, 202020, 207459, 208260, 214045, 218673, 230510, 242970, 256854, 259740, 276612, 291564, 296370, 299663, 303030, 312390, 336420, 345765, 355644, 363636, 364455, 385281, 414918, 428090, 437346, 444555, 454545, 461020, 485940, 513708, 592740, 599326, 606060, 622377, 624780, 642135, 691530, 728910, 770562, 829836, 856180, 874692, 889110, 898989, 909090, 1037295, 1093365, 1155843, 1198652, 1244754, 1284270, 1383060, 1457820, 1498315, 1541124, 1778220, 1797978, 1818180, 1926405, 2074590, 2186730, 2311686, 2489508, 2568540, 2696967, 2996630, 3111885, 3595956, 3852810, 4149180, 4373460, 4494945, 4623372, 5393934, 5779215, 5993260, 6223770, 7705620, 8090901, 8989890, 10787868, 11558430, 12447540, 13484835, 16181802, 17979780, 23116860, 26969670, 32363604, 40454505, 53939340, 80909010, 161818020]

約数ペア:

[(1, 161818020), (2, 80909010), (3, 53939340), (4, 40454505), (5, 32363604), (6, 26969670), (7, 23116860), (9, 17979780), (10, 16181802), (12, 13484835), (13, 12447540), (14, 11558430), (15, 10787868), (18, 8989890), (20, 8090901), (21, 7705620), (26, 6223770), (27, 5993260), (28, 5779215), (30, 5393934), (35, 4623372), (36, 4494945), (37, 4373460), (39, 4149180), (42, 3852810), (45, 3595956), (52, 3111885), (54, 2996630), (60, 2696967), (63, 2568540), (65, 2489508), (70, 2311686), (74, 2186730), (78, 2074590), (84, 1926405), (89, 1818180), (90, 1797978), (91, 1778220), (105, 1541124), (108, 1498315), (111, 1457820), (117, 1383060), (126, 1284270), (130, 1244754), (135, 1198652), (140, 1155843), (148, 1093365), (156, 1037295), (178, 909090), (180, 898989), (182, 889110), (185, 874692), (189, 856180), (195, 829836), (210, 770562), (222, 728910), (234, 691530), (252, 642135), (259, 624780), (260, 622377), (267, 606060), (270, 599326), (273, 592740), (315, 513708), (333, 485940), (351, 461020), (356, 454545), (364, 444555), (370, 437346), (378, 428090), (390, 414918), (420, 385281), (444, 364455), (445, 363636), (455, 355644), (468, 345765), (481, 336420), (518, 312390), (534, 303030), (540, 299663), (546, 296370), (555, 291564), (585, 276612), (623, 259740), (630, 256854), (666, 242970), (702, 230510), (740, 218673), (756, 214045), (777, 208260), (780, 207459), (801, 202020), (819, 197580), (890, 181818), (910, 177822), (945, 171236), (962, 168210), (999, 161980), (1036, 156195), (1068, 151515), (1092, 148185), (1110, 145782), (1157, 139860), (1170, 138306), (1246, 129870), (1260, 128427), (1295, 124956), (1332, 121485), (1335, 121212), (1365, 118548), (1404, 115255), (1443, 112140), (1554, 104130), (1602, 101010), (1638, 98790), (1665, 97188), (1755, 92204), (1780, 90909), (1820, 88911), (1869, 86580), (1890, 85618), (1924, 84105), (1998, 80990), (2220, 72891), (2314, 69930), (2331, 69420), (2340, 69153), (2403, 67340), (2405, 67284), (2457, 65860), (2492, 64935), (2590, 62478), (2670, 60606), (2730, 59274), (2886, 56070), (3108, 52065), (3115, 51948), (3204, 50505), (3276, 49395), (3293, 49140), (3330, 48594), (3367, 48060), (3471, 46620), (3510, 46102), (3738, 43290), (3780, 42809), (3885, 41652), (3996, 40495), (4005, 40404), (4095, 39516), (4329, 37380), (4628, 34965), (4662, 34710), (4806, 33670), (4810, 33642), (4914, 32930), (4995, 32396), (5180, 31239), (5340, 30303), (5460, 29637), (5607, 28860), (5772, 28035), (5785, 27972), (6230, 25974), (6586, 24570), (6660, 24297), (6734, 24030), (6942, 23310), (6993, 23140), (7020, 23051), (7215, 22428), (7476, 21645), (7770, 20826), (8010, 20202), (8099, 19980), (8190, 19758), (8658, 18690), (9324, 17355), (9345, 17316), (9612, 16835), (9620, 16821), (9828, 16465), (9879, 16380), (9990, 16198), (10101, 16020), (10413, 15540), (11214, 14430), (11570, 13986), (11655, 13884), (12015, 13468), (12285, 13172), (12460, 12987)]