15963760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 39497472

約数和(自身を除く): 23533712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 157, 164, 205, 248, 310, 314, 328, 410, 496, 620, 628, 656, 785, 820, 1240, 1256, 1271, 1570, 1640, 2480, 2512, 2542, 3140, 3280, 4867, 5084, 6280, 6355, 6437, 9734, 10168, 12560, 12710, 12874, 19468, 20336, 24335, 25420, 25748, 32185, 38936, 48670, 50840, 51496, 64370, 77872, 97340, 101680, 102992, 128740, 194680, 199547, 257480, 389360, 399094, 514960, 798188, 997735, 1596376, 1995470, 3192752, 3990940, 7981880, 15963760]

約数ペア:

[(1, 15963760), (2, 7981880), (4, 3990940), (5, 3192752), (8, 1995470), (10, 1596376), (16, 997735), (20, 798188), (31, 514960), (40, 399094), (41, 389360), (62, 257480), (80, 199547), (82, 194680), (124, 128740), (155, 102992), (157, 101680), (164, 97340), (205, 77872), (248, 64370), (310, 51496), (314, 50840), (328, 48670), (410, 38936), (496, 32185), (620, 25748), (628, 25420), (656, 24335), (785, 20336), (820, 19468), (1240, 12874), (1256, 12710), (1271, 12560), (1570, 10168), (1640, 9734), (2480, 6437), (2512, 6355), (2542, 6280), (3140, 5084), (3280, 4867)]