321298640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 120

約数和(自身を含む): 855387960

約数和(自身を除く): 534089320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 289, 340, 442, 520, 578, 680, 884, 1040, 1069, 1105, 1156, 1360, 1445, 1768, 2138, 2210, 2312, 2890, 3536, 3757, 4276, 4420, 4624, 5345, 5780, 7514, 8552, 8840, 10690, 11560, 13897, 15028, 17104, 17680, 18173, 18785, 21380, 23120, 27794, 30056, 36346, 37570, 42760, 55588, 60112, 69485, 72692, 75140, 85520, 90865, 111176, 138970, 145384, 150280, 181730, 222352, 236249, 277940, 290768, 300560, 308941, 363460, 472498, 555880, 617882, 726920, 944996, 1111760, 1181245, 1235764, 1453840, 1544705, 1889992, 2362490, 2471528, 3089410, 3779984, 4016233, 4724980, 4943056, 6178820, 8032466, 9449960, 12357640, 16064932, 18899920, 20081165, 24715280, 32129864, 40162330, 64259728, 80324660, 160649320, 321298640]

約数ペア:

[(1, 321298640), (2, 160649320), (4, 80324660), (5, 64259728), (8, 40162330), (10, 32129864), (13, 24715280), (16, 20081165), (17, 18899920), (20, 16064932), (26, 12357640), (34, 9449960), (40, 8032466), (52, 6178820), (65, 4943056), (68, 4724980), (80, 4016233), (85, 3779984), (104, 3089410), (130, 2471528), (136, 2362490), (170, 1889992), (208, 1544705), (221, 1453840), (260, 1235764), (272, 1181245), (289, 1111760), (340, 944996), (442, 726920), (520, 617882), (578, 555880), (680, 472498), (884, 363460), (1040, 308941), (1069, 300560), (1105, 290768), (1156, 277940), (1360, 236249), (1445, 222352), (1768, 181730), (2138, 150280), (2210, 145384), (2312, 138970), (2890, 111176), (3536, 90865), (3757, 85520), (4276, 75140), (4420, 72692), (4624, 69485), (5345, 60112), (5780, 55588), (7514, 42760), (8552, 37570), (8840, 36346), (10690, 30056), (11560, 27794), (13897, 23120), (15028, 21380), (17104, 18785), (17680, 18173)]