1649960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 4233600

約数和(自身を除く): 2583640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 167, 190, 247, 260, 334, 380, 494, 520, 668, 760, 835, 988, 1235, 1336, 1670, 1976, 2171, 2470, 3173, 3340, 4342, 4940, 6346, 6680, 8684, 9880, 10855, 12692, 15865, 17368, 21710, 25384, 31730, 41249, 43420, 63460, 82498, 86840, 126920, 164996, 206245, 329992, 412490, 824980, 1649960]

約数ペア:

[(1, 1649960), (2, 824980), (4, 412490), (5, 329992), (8, 206245), (10, 164996), (13, 126920), (19, 86840), (20, 82498), (26, 63460), (38, 43420), (40, 41249), (52, 31730), (65, 25384), (76, 21710), (95, 17368), (104, 15865), (130, 12692), (152, 10855), (167, 9880), (190, 8684), (247, 6680), (260, 6346), (334, 4940), (380, 4342), (494, 3340), (520, 3173), (668, 2470), (760, 2171), (835, 1976), (988, 1670), (1235, 1336)]