281672820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 288

約数和(自身を含む): 1039094784

約数和(自身を除く): 757421964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 31, 33, 36, 39, 44, 45, 52, 55, 60, 62, 65, 66, 78, 90, 93, 99, 110, 117, 124, 130, 132, 143, 155, 156, 165, 180, 186, 195, 198, 220, 234, 260, 279, 286, 310, 330, 341, 353, 372, 390, 396, 403, 429, 465, 468, 495, 558, 572, 585, 620, 660, 682, 706, 715, 780, 806, 858, 930, 990, 1023, 1059, 1116, 1170, 1209, 1287, 1364, 1395, 1412, 1430, 1612, 1705, 1716, 1765, 1860, 1980, 2015, 2046, 2118, 2145, 2340, 2418, 2574, 2790, 2860, 3069, 3177, 3410, 3530, 3627, 3883, 4030, 4092, 4236, 4290, 4433, 4589, 4836, 5115, 5148, 5295, 5580, 6045, 6138, 6354, 6435, 6820, 7060, 7254, 7766, 8060, 8580, 8866, 9178, 10230, 10590, 10943, 11649, 12090, 12276, 12708, 12870, 13299, 13767, 14508, 15345, 15532, 15885, 17732, 18135, 18356, 19415, 20460, 21180, 21886, 22165, 22945, 23298, 24180, 25740, 26598, 27534, 30690, 31770, 32829, 34947, 36270, 38830, 39897, 41301, 43772, 44330, 45890, 46596, 50479, 53196, 54715, 55068, 58245, 61380, 63540, 65658, 66495, 68835, 69894, 72540, 77660, 79794, 82602, 88660, 91780, 98487, 100958, 109430, 116490, 120373, 131316, 132990, 137670, 139788, 142259, 151437, 159588, 164145, 165204, 174735, 196974, 199485, 201916, 206505, 218860, 232980, 240746, 252395, 265980, 275340, 284518, 302874, 328290, 349470, 361119, 393948, 398970, 413010, 426777, 454311, 481492, 492435, 504790, 569036, 601865, 605748, 656580, 698940, 711295, 722238, 757185, 797940, 826020, 853554, 908622, 984870, 1009580, 1083357, 1203730, 1280331, 1422590, 1444476, 1514370, 1564849, 1707108, 1805595, 1817244, 1969740, 2133885, 2166714, 2271555, 2407460, 2560662, 2845180, 3028740, 3129698, 3611190, 4267770, 4333428, 4543110, 4694547, 5121324, 5416785, 6259396, 6401655, 7222380, 7824245, 8535540, 9086220, 9389094, 10833570, 12803310, 14083641, 15648490, 18778188, 21667140, 23472735, 25606620, 28167282, 31296980, 46945470, 56334564, 70418205, 93890940, 140836410, 281672820]

約数ペア:

[(1, 281672820), (2, 140836410), (3, 93890940), (4, 70418205), (5, 56334564), (6, 46945470), (9, 31296980), (10, 28167282), (11, 25606620), (12, 23472735), (13, 21667140), (15, 18778188), (18, 15648490), (20, 14083641), (22, 12803310), (26, 10833570), (30, 9389094), (31, 9086220), (33, 8535540), (36, 7824245), (39, 7222380), (44, 6401655), (45, 6259396), (52, 5416785), (55, 5121324), (60, 4694547), (62, 4543110), (65, 4333428), (66, 4267770), (78, 3611190), (90, 3129698), (93, 3028740), (99, 2845180), (110, 2560662), (117, 2407460), (124, 2271555), (130, 2166714), (132, 2133885), (143, 1969740), (155, 1817244), (156, 1805595), (165, 1707108), (180, 1564849), (186, 1514370), (195, 1444476), (198, 1422590), (220, 1280331), (234, 1203730), (260, 1083357), (279, 1009580), (286, 984870), (310, 908622), (330, 853554), (341, 826020), (353, 797940), (372, 757185), (390, 722238), (396, 711295), (403, 698940), (429, 656580), (465, 605748), (468, 601865), (495, 569036), (558, 504790), (572, 492435), (585, 481492), (620, 454311), (660, 426777), (682, 413010), (706, 398970), (715, 393948), (780, 361119), (806, 349470), (858, 328290), (930, 302874), (990, 284518), (1023, 275340), (1059, 265980), (1116, 252395), (1170, 240746), (1209, 232980), (1287, 218860), (1364, 206505), (1395, 201916), (1412, 199485), (1430, 196974), (1612, 174735), (1705, 165204), (1716, 164145), (1765, 159588), (1860, 151437), (1980, 142259), (2015, 139788), (2046, 137670), (2118, 132990), (2145, 131316), (2340, 120373), (2418, 116490), (2574, 109430), (2790, 100958), (2860, 98487), (3069, 91780), (3177, 88660), (3410, 82602), (3530, 79794), (3627, 77660), (3883, 72540), (4030, 69894), (4092, 68835), (4236, 66495), (4290, 65658), (4433, 63540), (4589, 61380), (4836, 58245), (5115, 55068), (5148, 54715), (5295, 53196), (5580, 50479), (6045, 46596), (6138, 45890), (6354, 44330), (6435, 43772), (6820, 41301), (7060, 39897), (7254, 38830), (7766, 36270), (8060, 34947), (8580, 32829), (8866, 31770), (9178, 30690), (10230, 27534), (10590, 26598), (10943, 25740), (11649, 24180), (12090, 23298), (12276, 22945), (12708, 22165), (12870, 21886), (13299, 21180), (13767, 20460), (14508, 19415), (15345, 18356), (15532, 18135), (15885, 17732)]