72148408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 150163200

約数和(自身を除く): 78014792

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 109, 124, 136, 157, 218, 248, 314, 436, 527, 628, 872, 1054, 1256, 1853, 2108, 2669, 3379, 3706, 4216, 4867, 5338, 6758, 7412, 9734, 10676, 13516, 14824, 17113, 19468, 21352, 27032, 34226, 38936, 57443, 68452, 82739, 114886, 136904, 165478, 229772, 290921, 330956, 459544, 530503, 581842, 661912, 1061006, 1163684, 2122012, 2327368, 4244024, 9018551, 18037102, 36074204, 72148408]

約数ペア:

[(1, 72148408), (2, 36074204), (4, 18037102), (8, 9018551), (17, 4244024), (31, 2327368), (34, 2122012), (62, 1163684), (68, 1061006), (109, 661912), (124, 581842), (136, 530503), (157, 459544), (218, 330956), (248, 290921), (314, 229772), (436, 165478), (527, 136904), (628, 114886), (872, 82739), (1054, 68452), (1256, 57443), (1853, 38936), (2108, 34226), (2669, 27032), (3379, 21352), (3706, 19468), (4216, 17113), (4867, 14824), (5338, 13516), (6758, 10676), (7412, 9734)]