251490720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 192

約数和(自身を含む): 874831104

約数和(自身を除く): 623340384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 96, 104, 120, 123, 130, 156, 160, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 416, 480, 492, 520, 533, 615, 624, 656, 780, 820, 983, 984, 1040, 1066, 1230, 1248, 1312, 1560, 1599, 1640, 1966, 1968, 2080, 2132, 2460, 2665, 2949, 3120, 3198, 3280, 3932, 3936, 4264, 4915, 4920, 5330, 5898, 6240, 6396, 6560, 7864, 7995, 8528, 9830, 9840, 10660, 11796, 12779, 12792, 14745, 15728, 15990, 17056, 19660, 19680, 21320, 23592, 25558, 25584, 29490, 31456, 31980, 38337, 39320, 40303, 42640, 47184, 51116, 51168, 58980, 63895, 63960, 76674, 78640, 80606, 85280, 94368, 102232, 117960, 120909, 127790, 127920, 153348, 157280, 161212, 191685, 201515, 204464, 235920, 241818, 255580, 255840, 306696, 322424, 383370, 403030, 408928, 471840, 483636, 511160, 523939, 604545, 613392, 644848, 766740, 806060, 967272, 1022320, 1047878, 1209090, 1226784, 1289696, 1533480, 1571817, 1612120, 1934544, 2044640, 2095756, 2418180, 2619695, 3066960, 3143634, 3224240, 3869088, 4191512, 4836360, 5239390, 6133920, 6287268, 6448480, 7859085, 8383024, 9672720, 10478780, 12574536, 15718170, 16766048, 19345440, 20957560, 25149072, 31436340, 41915120, 50298144, 62872680, 83830240, 125745360, 251490720]

約数ペア:

[(1, 251490720), (2, 125745360), (3, 83830240), (4, 62872680), (5, 50298144), (6, 41915120), (8, 31436340), (10, 25149072), (12, 20957560), (13, 19345440), (15, 16766048), (16, 15718170), (20, 12574536), (24, 10478780), (26, 9672720), (30, 8383024), (32, 7859085), (39, 6448480), (40, 6287268), (41, 6133920), (48, 5239390), (52, 4836360), (60, 4191512), (65, 3869088), (78, 3224240), (80, 3143634), (82, 3066960), (96, 2619695), (104, 2418180), (120, 2095756), (123, 2044640), (130, 1934544), (156, 1612120), (160, 1571817), (164, 1533480), (195, 1289696), (205, 1226784), (208, 1209090), (240, 1047878), (246, 1022320), (260, 967272), (312, 806060), (328, 766740), (390, 644848), (410, 613392), (416, 604545), (480, 523939), (492, 511160), (520, 483636), (533, 471840), (615, 408928), (624, 403030), (656, 383370), (780, 322424), (820, 306696), (983, 255840), (984, 255580), (1040, 241818), (1066, 235920), (1230, 204464), (1248, 201515), (1312, 191685), (1560, 161212), (1599, 157280), (1640, 153348), (1966, 127920), (1968, 127790), (2080, 120909), (2132, 117960), (2460, 102232), (2665, 94368), (2949, 85280), (3120, 80606), (3198, 78640), (3280, 76674), (3932, 63960), (3936, 63895), (4264, 58980), (4915, 51168), (4920, 51116), (5330, 47184), (5898, 42640), (6240, 40303), (6396, 39320), (6560, 38337), (7864, 31980), (7995, 31456), (8528, 29490), (9830, 25584), (9840, 25558), (10660, 23592), (11796, 21320), (12779, 19680), (12792, 19660), (14745, 17056), (15728, 15990)]