91211640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 128

約数和(自身を含む): 299980800

約数和(自身を除く): 208769160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 991, 1180, 1416, 1534, 1560, 1770, 1982, 2301, 2360, 2973, 3068, 3540, 3835, 3964, 4602, 4955, 5946, 6136, 7080, 7670, 7928, 9204, 9910, 11505, 11892, 12883, 14865, 15340, 18408, 19820, 23010, 23784, 25766, 29730, 30680, 38649, 39640, 46020, 51532, 58469, 59460, 64415, 77298, 92040, 103064, 116938, 118920, 128830, 154596, 175407, 193245, 233876, 257660, 292345, 309192, 350814, 386490, 467752, 515320, 584690, 701628, 760097, 772980, 877035, 1169380, 1403256, 1520194, 1545960, 1754070, 2280291, 2338760, 3040388, 3508140, 3800485, 4560582, 6080776, 7016280, 7600970, 9121164, 11401455, 15201940, 18242328, 22802910, 30403880, 45605820, 91211640]

約数ペア:

[(1, 91211640), (2, 45605820), (3, 30403880), (4, 22802910), (5, 18242328), (6, 15201940), (8, 11401455), (10, 9121164), (12, 7600970), (13, 7016280), (15, 6080776), (20, 4560582), (24, 3800485), (26, 3508140), (30, 3040388), (39, 2338760), (40, 2280291), (52, 1754070), (59, 1545960), (60, 1520194), (65, 1403256), (78, 1169380), (104, 877035), (118, 772980), (120, 760097), (130, 701628), (156, 584690), (177, 515320), (195, 467752), (236, 386490), (260, 350814), (295, 309192), (312, 292345), (354, 257660), (390, 233876), (472, 193245), (520, 175407), (590, 154596), (708, 128830), (767, 118920), (780, 116938), (885, 103064), (991, 92040), (1180, 77298), (1416, 64415), (1534, 59460), (1560, 58469), (1770, 51532), (1982, 46020), (2301, 39640), (2360, 38649), (2973, 30680), (3068, 29730), (3540, 25766), (3835, 23784), (3964, 23010), (4602, 19820), (4955, 18408), (5946, 15340), (6136, 14865), (7080, 12883), (7670, 11892), (7928, 11505), (9204, 9910)]