25578480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 79843104

約数和(自身を除く): 54264624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 541, 591, 788, 985, 1082, 1182, 1576, 1623, 1970, 2164, 2364, 2705, 2955, 3152, 3246, 3940, 4328, 4728, 5410, 5910, 6492, 7880, 8115, 8656, 9456, 10820, 11820, 12984, 15760, 16230, 21640, 23640, 25968, 32460, 43280, 47280, 64920, 106577, 129840, 213154, 319731, 426308, 532885, 639462, 852616, 1065770, 1278924, 1598655, 1705232, 2131540, 2557848, 3197310, 4263080, 5115696, 6394620, 8526160, 12789240, 25578480]

約数ペア:

[(1, 25578480), (2, 12789240), (3, 8526160), (4, 6394620), (5, 5115696), (6, 4263080), (8, 3197310), (10, 2557848), (12, 2131540), (15, 1705232), (16, 1598655), (20, 1278924), (24, 1065770), (30, 852616), (40, 639462), (48, 532885), (60, 426308), (80, 319731), (120, 213154), (197, 129840), (240, 106577), (394, 64920), (541, 47280), (591, 43280), (788, 32460), (985, 25968), (1082, 23640), (1182, 21640), (1576, 16230), (1623, 15760), (1970, 12984), (2164, 11820), (2364, 10820), (2705, 9456), (2955, 8656), (3152, 8115), (3246, 7880), (3940, 6492), (4328, 5910), (4728, 5410)]