1662440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 4233600

約数和(自身を除く): 2571160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 139, 184, 230, 260, 278, 299, 460, 520, 556, 598, 695, 920, 1112, 1196, 1390, 1495, 1807, 2392, 2780, 2990, 3197, 3614, 5560, 5980, 6394, 7228, 9035, 11960, 12788, 14456, 15985, 18070, 25576, 31970, 36140, 41561, 63940, 72280, 83122, 127880, 166244, 207805, 332488, 415610, 831220, 1662440]

約数ペア:

[(1, 1662440), (2, 831220), (4, 415610), (5, 332488), (8, 207805), (10, 166244), (13, 127880), (20, 83122), (23, 72280), (26, 63940), (40, 41561), (46, 36140), (52, 31970), (65, 25576), (92, 18070), (104, 15985), (115, 14456), (130, 12788), (139, 11960), (184, 9035), (230, 7228), (260, 6394), (278, 5980), (299, 5560), (460, 3614), (520, 3197), (556, 2990), (598, 2780), (695, 2392), (920, 1807), (1112, 1495), (1196, 1390)]