72900880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 183988224

約数和(自身を除く): 111087344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 367, 382, 520, 734, 764, 955, 1040, 1468, 1528, 1835, 1910, 2483, 2936, 3056, 3670, 3820, 4771, 4966, 5872, 7340, 7640, 9542, 9932, 12415, 14680, 15280, 19084, 19864, 23855, 24830, 29360, 38168, 39728, 47710, 49660, 70097, 76336, 95420, 99320, 140194, 190840, 198640, 280388, 350485, 381680, 560776, 700970, 911261, 1121552, 1401940, 1822522, 2803880, 3645044, 4556305, 5607760, 7290088, 9112610, 14580176, 18225220, 36450440, 72900880]

約数ペア:

[(1, 72900880), (2, 36450440), (4, 18225220), (5, 14580176), (8, 9112610), (10, 7290088), (13, 5607760), (16, 4556305), (20, 3645044), (26, 2803880), (40, 1822522), (52, 1401940), (65, 1121552), (80, 911261), (104, 700970), (130, 560776), (191, 381680), (208, 350485), (260, 280388), (367, 198640), (382, 190840), (520, 140194), (734, 99320), (764, 95420), (955, 76336), (1040, 70097), (1468, 49660), (1528, 47710), (1835, 39728), (1910, 38168), (2483, 29360), (2936, 24830), (3056, 23855), (3670, 19864), (3820, 19084), (4771, 15280), (4966, 14680), (5872, 12415), (7340, 9932), (7640, 9542)]