87132780

素因数分解:

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

素因数の和:158

約数の個数: 288

約数和(自身を含む): 327499200

約数和(自身を除く): 240366420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 49, 54, 60, 63, 70, 74, 84, 89, 90, 98, 105, 108, 111, 126, 135, 140, 147, 148, 178, 180, 185, 189, 196, 210, 222, 245, 252, 259, 267, 270, 294, 315, 333, 356, 370, 378, 420, 441, 444, 445, 490, 518, 534, 540, 555, 588, 623, 630, 666, 735, 740, 756, 777, 801, 882, 890, 945, 980, 999, 1036, 1068, 1110, 1246, 1260, 1295, 1323, 1332, 1335, 1470, 1554, 1602, 1665, 1764, 1780, 1813, 1869, 1890, 1998, 2205, 2220, 2331, 2403, 2492, 2590, 2646, 2670, 2940, 3108, 3115, 3204, 3293, 3330, 3626, 3738, 3780, 3885, 3996, 4005, 4361, 4410, 4662, 4806, 4995, 5180, 5292, 5340, 5439, 5607, 6230, 6586, 6615, 6660, 6993, 7252, 7476, 7770, 8010, 8722, 8820, 9065, 9324, 9345, 9612, 9879, 9990, 10878, 11214, 11655, 12015, 12460, 13083, 13172, 13230, 13986, 15540, 16020, 16317, 16465, 16821, 17444, 18130, 18690, 19758, 19980, 21756, 21805, 22428, 23051, 23310, 24030, 26166, 26460, 27195, 27972, 28035, 29637, 32634, 32930, 33642, 34965, 36260, 37380, 39249, 39516, 43610, 46102, 46620, 48060, 48951, 49395, 52332, 54390, 56070, 59274, 65268, 65415, 65860, 67284, 69153, 69930, 78498, 81585, 84105, 87220, 88911, 92204, 97902, 98790, 108780, 112140, 115255, 117747, 118548, 130830, 138306, 139860, 148185, 156996, 161357, 163170, 168210, 177822, 195804, 196245, 197580, 207459, 230510, 235494, 244755, 261660, 276612, 296370, 322714, 326340, 336420, 345765, 355644, 392490, 414918, 444555, 461020, 470988, 484071, 489510, 588735, 592740, 622377, 645428, 691530, 784980, 806785, 829836, 889110, 968142, 979020, 1037295, 1177470, 1244754, 1383060, 1452213, 1613570, 1778220, 1936284, 2074590, 2354940, 2420355, 2489508, 2904426, 3111885, 3227140, 4149180, 4356639, 4840710, 5808852, 6223770, 7261065, 8713278, 9681420, 12447540, 14522130, 17426556, 21783195, 29044260, 43566390, 87132780]

約数ペア:

[(1, 87132780), (2, 43566390), (3, 29044260), (4, 21783195), (5, 17426556), (6, 14522130), (7, 12447540), (9, 9681420), (10, 8713278), (12, 7261065), (14, 6223770), (15, 5808852), (18, 4840710), (20, 4356639), (21, 4149180), (27, 3227140), (28, 3111885), (30, 2904426), (35, 2489508), (36, 2420355), (37, 2354940), (42, 2074590), (45, 1936284), (49, 1778220), (54, 1613570), (60, 1452213), (63, 1383060), (70, 1244754), (74, 1177470), (84, 1037295), (89, 979020), (90, 968142), (98, 889110), (105, 829836), (108, 806785), (111, 784980), (126, 691530), (135, 645428), (140, 622377), (147, 592740), (148, 588735), (178, 489510), (180, 484071), (185, 470988), (189, 461020), (196, 444555), (210, 414918), (222, 392490), (245, 355644), (252, 345765), (259, 336420), (267, 326340), (270, 322714), (294, 296370), (315, 276612), (333, 261660), (356, 244755), (370, 235494), (378, 230510), (420, 207459), (441, 197580), (444, 196245), (445, 195804), (490, 177822), (518, 168210), (534, 163170), (540, 161357), (555, 156996), (588, 148185), (623, 139860), (630, 138306), (666, 130830), (735, 118548), (740, 117747), (756, 115255), (777, 112140), (801, 108780), (882, 98790), (890, 97902), (945, 92204), (980, 88911), (999, 87220), (1036, 84105), (1068, 81585), (1110, 78498), (1246, 69930), (1260, 69153), (1295, 67284), (1323, 65860), (1332, 65415), (1335, 65268), (1470, 59274), (1554, 56070), (1602, 54390), (1665, 52332), (1764, 49395), (1780, 48951), (1813, 48060), (1869, 46620), (1890, 46102), (1998, 43610), (2205, 39516), (2220, 39249), (2331, 37380), (2403, 36260), (2492, 34965), (2590, 33642), (2646, 32930), (2670, 32634), (2940, 29637), (3108, 28035), (3115, 27972), (3204, 27195), (3293, 26460), (3330, 26166), (3626, 24030), (3738, 23310), (3780, 23051), (3885, 22428), (3996, 21805), (4005, 21756), (4361, 19980), (4410, 19758), (4662, 18690), (4806, 18130), (4995, 17444), (5180, 16821), (5292, 16465), (5340, 16317), (5439, 16020), (5607, 15540), (6230, 13986), (6586, 13230), (6615, 13172), (6660, 13083), (6993, 12460), (7252, 12015), (7476, 11655), (7770, 11214), (8010, 10878), (8722, 9990), (8820, 9879), (9065, 9612), (9324, 9345)]