2775760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 7405776

約数和(自身を除く): 4630016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 157, 170, 208, 221, 260, 272, 314, 340, 442, 520, 628, 680, 785, 884, 1040, 1105, 1256, 1360, 1570, 1768, 2041, 2210, 2512, 2669, 3140, 3536, 4082, 4420, 5338, 6280, 8164, 8840, 10205, 10676, 12560, 13345, 16328, 17680, 20410, 21352, 26690, 32656, 34697, 40820, 42704, 53380, 69394, 81640, 106760, 138788, 163280, 173485, 213520, 277576, 346970, 555152, 693940, 1387880, 2775760]

約数ペア:

[(1, 2775760), (2, 1387880), (4, 693940), (5, 555152), (8, 346970), (10, 277576), (13, 213520), (16, 173485), (17, 163280), (20, 138788), (26, 106760), (34, 81640), (40, 69394), (52, 53380), (65, 42704), (68, 40820), (80, 34697), (85, 32656), (104, 26690), (130, 21352), (136, 20410), (157, 17680), (170, 16328), (208, 13345), (221, 12560), (260, 10676), (272, 10205), (314, 8840), (340, 8164), (442, 6280), (520, 5338), (628, 4420), (680, 4082), (785, 3536), (884, 3140), (1040, 2669), (1105, 2512), (1256, 2210), (1360, 2041), (1570, 1768)]