128659960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 345461760

約数和(自身を除く): 216801800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 83, 88, 104, 110, 130, 143, 166, 220, 260, 271, 286, 332, 415, 440, 520, 542, 572, 664, 715, 830, 913, 1079, 1084, 1144, 1355, 1430, 1660, 1826, 2158, 2168, 2710, 2860, 2981, 3320, 3523, 3652, 4316, 4565, 5395, 5420, 5720, 5962, 7046, 7304, 8632, 9130, 10790, 10840, 11869, 11924, 14092, 14905, 17615, 18260, 21580, 22493, 23738, 23848, 28184, 29810, 35230, 36520, 38753, 43160, 44986, 47476, 59345, 59620, 70460, 77506, 89972, 94952, 112465, 118690, 119240, 140920, 155012, 179944, 193765, 224930, 237380, 247423, 292409, 310024, 387530, 449860, 474760, 494846, 584818, 775060, 899720, 989692, 1169636, 1237115, 1462045, 1550120, 1979384, 2339272, 2474230, 2924090, 3216499, 4948460, 5848180, 6432998, 9896920, 11696360, 12865996, 16082495, 25731992, 32164990, 64329980, 128659960]

約数ペア:

[(1, 128659960), (2, 64329980), (4, 32164990), (5, 25731992), (8, 16082495), (10, 12865996), (11, 11696360), (13, 9896920), (20, 6432998), (22, 5848180), (26, 4948460), (40, 3216499), (44, 2924090), (52, 2474230), (55, 2339272), (65, 1979384), (83, 1550120), (88, 1462045), (104, 1237115), (110, 1169636), (130, 989692), (143, 899720), (166, 775060), (220, 584818), (260, 494846), (271, 474760), (286, 449860), (332, 387530), (415, 310024), (440, 292409), (520, 247423), (542, 237380), (572, 224930), (664, 193765), (715, 179944), (830, 155012), (913, 140920), (1079, 119240), (1084, 118690), (1144, 112465), (1355, 94952), (1430, 89972), (1660, 77506), (1826, 70460), (2158, 59620), (2168, 59345), (2710, 47476), (2860, 44986), (2981, 43160), (3320, 38753), (3523, 36520), (3652, 35230), (4316, 29810), (4565, 28184), (5395, 23848), (5420, 23738), (5720, 22493), (5962, 21580), (7046, 18260), (7304, 17615), (8632, 14905), (9130, 14092), (10790, 11924), (10840, 11869)]