256952280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9733

約数の個数: 128

約数和(自身を含む): 879076800

約数和(自身を除く): 622124520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 9689, 13260, 19378, 26520, 29067, 38756, 48445, 58134, 77512, 96890, 116268, 125957, 145335, 164713, 193780, 232536, 251914, 290670, 329426, 377871, 387560, 494139, 503828, 581340, 629785, 658852, 755742, 823565, 988278, 1007656, 1162680, 1259570, 1317704, 1511484, 1647130, 1889355, 1976556, 2141269, 2470695, 2519140, 3022968, 3294260, 3778710, 3953112, 4282538, 4941390, 5038280, 6423807, 6588520, 7557420, 8565076, 9882780, 10706345, 12847614, 15114840, 17130152, 19765560, 21412690, 25695228, 32119035, 42825380, 51390456, 64238070, 85650760, 128476140, 256952280]

約数ペア:

[(1, 256952280), (2, 128476140), (3, 85650760), (4, 64238070), (5, 51390456), (6, 42825380), (8, 32119035), (10, 25695228), (12, 21412690), (13, 19765560), (15, 17130152), (17, 15114840), (20, 12847614), (24, 10706345), (26, 9882780), (30, 8565076), (34, 7557420), (39, 6588520), (40, 6423807), (51, 5038280), (52, 4941390), (60, 4282538), (65, 3953112), (68, 3778710), (78, 3294260), (85, 3022968), (102, 2519140), (104, 2470695), (120, 2141269), (130, 1976556), (136, 1889355), (156, 1647130), (170, 1511484), (195, 1317704), (204, 1259570), (221, 1162680), (255, 1007656), (260, 988278), (312, 823565), (340, 755742), (390, 658852), (408, 629785), (442, 581340), (510, 503828), (520, 494139), (663, 387560), (680, 377871), (780, 329426), (884, 290670), (1020, 251914), (1105, 232536), (1326, 193780), (1560, 164713), (1768, 145335), (2040, 125957), (2210, 116268), (2652, 96890), (3315, 77512), (4420, 58134), (5304, 48445), (6630, 38756), (8840, 29067), (9689, 26520), (13260, 19378)]