488455760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2459}}^1$

素因数の和:2676

約数の個数: 80

約数和(自身を含む): 1229921280

約数和(自身を除く): 741465520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1910, 2459, 2483, 3056, 3820, 4918, 4966, 7640, 9836, 9932, 12295, 12415, 15280, 19672, 19864, 24590, 24830, 31967, 39344, 39728, 49180, 49660, 63934, 98360, 99320, 127868, 159835, 196720, 198640, 255736, 319670, 469669, 511472, 639340, 939338, 1278680, 1878676, 2348345, 2557360, 3757352, 4696690, 6105697, 7514704, 9393380, 12211394, 18786760, 24422788, 30528485, 37573520, 48845576, 61056970, 97691152, 122113940, 244227880, 488455760]

約数ペア:

[(1, 488455760), (2, 244227880), (4, 122113940), (5, 97691152), (8, 61056970), (10, 48845576), (13, 37573520), (16, 30528485), (20, 24422788), (26, 18786760), (40, 12211394), (52, 9393380), (65, 7514704), (80, 6105697), (104, 4696690), (130, 3757352), (191, 2557360), (208, 2348345), (260, 1878676), (382, 1278680), (520, 939338), (764, 639340), (955, 511472), (1040, 469669), (1528, 319670), (1910, 255736), (2459, 198640), (2483, 196720), (3056, 159835), (3820, 127868), (4918, 99320), (4966, 98360), (7640, 63934), (9836, 49660), (9932, 49180), (12295, 39728), (12415, 39344), (15280, 31967), (19672, 24830), (19864, 24590)]