128515920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 160

約数和(自身を含む): 454470912

約数和(自身を除く): 325954992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 442, 510, 520, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1326, 1360, 1560, 1768, 2040, 2210, 2423, 2652, 3120, 3315, 3536, 4080, 4420, 4846, 5304, 6630, 7269, 8840, 9692, 10608, 12115, 13260, 14538, 17680, 19384, 24230, 26520, 29076, 31499, 36345, 38768, 41191, 48460, 53040, 58152, 62998, 72690, 82382, 94497, 96920, 116304, 123573, 125996, 145380, 157495, 164764, 188994, 193840, 205955, 247146, 251992, 290760, 314990, 329528, 377988, 411910, 472485, 494292, 503984, 535483, 581520, 617865, 629980, 659056, 755976, 823820, 944970, 988584, 1070966, 1235730, 1259960, 1511952, 1606449, 1647640, 1889940, 1977168, 2141932, 2471460, 2519920, 2677415, 3212898, 3295280, 3779880, 4283864, 4942920, 5354830, 6425796, 7559760, 8032245, 8567728, 9885840, 10709660, 12851592, 16064490, 21419320, 25703184, 32128980, 42838640, 64257960, 128515920]

約数ペア:

[(1, 128515920), (2, 64257960), (3, 42838640), (4, 32128980), (5, 25703184), (6, 21419320), (8, 16064490), (10, 12851592), (12, 10709660), (13, 9885840), (15, 8567728), (16, 8032245), (17, 7559760), (20, 6425796), (24, 5354830), (26, 4942920), (30, 4283864), (34, 3779880), (39, 3295280), (40, 3212898), (48, 2677415), (51, 2519920), (52, 2471460), (60, 2141932), (65, 1977168), (68, 1889940), (78, 1647640), (80, 1606449), (85, 1511952), (102, 1259960), (104, 1235730), (120, 1070966), (130, 988584), (136, 944970), (156, 823820), (170, 755976), (195, 659056), (204, 629980), (208, 617865), (221, 581520), (240, 535483), (255, 503984), (260, 494292), (272, 472485), (312, 411910), (340, 377988), (390, 329528), (408, 314990), (442, 290760), (510, 251992), (520, 247146), (624, 205955), (663, 193840), (680, 188994), (780, 164764), (816, 157495), (884, 145380), (1020, 125996), (1040, 123573), (1105, 116304), (1326, 96920), (1360, 94497), (1560, 82382), (1768, 72690), (2040, 62998), (2210, 58152), (2423, 53040), (2652, 48460), (3120, 41191), (3315, 38768), (3536, 36345), (4080, 31499), (4420, 29076), (4846, 26520), (5304, 24230), (6630, 19384), (7269, 17680), (8840, 14538), (9692, 13260), (10608, 12115)]