15648880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 40247424

約数和(自身を除く): 24598544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 367, 410, 520, 533, 656, 734, 820, 1040, 1066, 1468, 1640, 1835, 2132, 2665, 2936, 3280, 3670, 4264, 4771, 5330, 5872, 7340, 8528, 9542, 10660, 14680, 15047, 19084, 21320, 23855, 29360, 30094, 38168, 42640, 47710, 60188, 75235, 76336, 95420, 120376, 150470, 190840, 195611, 240752, 300940, 381680, 391222, 601880, 782444, 978055, 1203760, 1564888, 1956110, 3129776, 3912220, 7824440, 15648880]

約数ペア:

[(1, 15648880), (2, 7824440), (4, 3912220), (5, 3129776), (8, 1956110), (10, 1564888), (13, 1203760), (16, 978055), (20, 782444), (26, 601880), (40, 391222), (41, 381680), (52, 300940), (65, 240752), (80, 195611), (82, 190840), (104, 150470), (130, 120376), (164, 95420), (205, 76336), (208, 75235), (260, 60188), (328, 47710), (367, 42640), (410, 38168), (520, 30094), (533, 29360), (656, 23855), (734, 21320), (820, 19084), (1040, 15047), (1066, 14680), (1468, 10660), (1640, 9542), (1835, 8528), (2132, 7340), (2665, 5872), (2936, 5330), (3280, 4771), (3670, 4264)]