261485040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 160

約数和(自身を含む): 841928256

約数和(自身を除く): 580443216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 61, 80, 106, 120, 122, 159, 183, 212, 240, 244, 265, 305, 318, 337, 366, 424, 488, 530, 610, 636, 674, 732, 795, 848, 915, 976, 1011, 1060, 1220, 1272, 1348, 1464, 1590, 1685, 1830, 2022, 2120, 2440, 2544, 2696, 2928, 3180, 3233, 3370, 3660, 4044, 4240, 4880, 5055, 5392, 6360, 6466, 6740, 7320, 8088, 9699, 10110, 12720, 12932, 13480, 14640, 16165, 16176, 17861, 19398, 20220, 20557, 25864, 26960, 32330, 35722, 38796, 40440, 41114, 48495, 51728, 53583, 61671, 64660, 71444, 77592, 80880, 82228, 89305, 96990, 102785, 107166, 123342, 129320, 142888, 155184, 164456, 178610, 193980, 205570, 214332, 246684, 258640, 267915, 285776, 308355, 328912, 357220, 387960, 411140, 428664, 493368, 535830, 616710, 714440, 775920, 822280, 857328, 986736, 1071660, 1089521, 1233420, 1428880, 1644560, 2143320, 2179042, 2466840, 3268563, 4286640, 4358084, 4933680, 5447605, 6537126, 8716168, 10895210, 13074252, 16342815, 17432336, 21790420, 26148504, 32685630, 43580840, 52297008, 65371260, 87161680, 130742520, 261485040]

約数ペア:

[(1, 261485040), (2, 130742520), (3, 87161680), (4, 65371260), (5, 52297008), (6, 43580840), (8, 32685630), (10, 26148504), (12, 21790420), (15, 17432336), (16, 16342815), (20, 13074252), (24, 10895210), (30, 8716168), (40, 6537126), (48, 5447605), (53, 4933680), (60, 4358084), (61, 4286640), (80, 3268563), (106, 2466840), (120, 2179042), (122, 2143320), (159, 1644560), (183, 1428880), (212, 1233420), (240, 1089521), (244, 1071660), (265, 986736), (305, 857328), (318, 822280), (337, 775920), (366, 714440), (424, 616710), (488, 535830), (530, 493368), (610, 428664), (636, 411140), (674, 387960), (732, 357220), (795, 328912), (848, 308355), (915, 285776), (976, 267915), (1011, 258640), (1060, 246684), (1220, 214332), (1272, 205570), (1348, 193980), (1464, 178610), (1590, 164456), (1685, 155184), (1830, 142888), (2022, 129320), (2120, 123342), (2440, 107166), (2544, 102785), (2696, 96990), (2928, 89305), (3180, 82228), (3233, 80880), (3370, 77592), (3660, 71444), (4044, 64660), (4240, 61671), (4880, 53583), (5055, 51728), (5392, 48495), (6360, 41114), (6466, 40440), (6740, 38796), (7320, 35722), (8088, 32330), (9699, 26960), (10110, 25864), (12720, 20557), (12932, 20220), (13480, 19398), (14640, 17861), (16165, 16176)]