72488920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6997}}^1$

素因数の和:7052

約数の個数: 64

約数和(自身を含む): 191465280

約数和(自身を除く): 118976360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 6997, 10360, 13994, 27988, 34985, 48979, 55976, 69970, 97958, 139940, 195916, 244895, 258889, 279880, 391832, 489790, 517778, 979580, 1035556, 1294445, 1812223, 1959160, 2071112, 2588890, 3624446, 5177780, 7248892, 9061115, 10355560, 14497784, 18122230, 36244460, 72488920]

約数ペア:

[(1, 72488920), (2, 36244460), (4, 18122230), (5, 14497784), (7, 10355560), (8, 9061115), (10, 7248892), (14, 5177780), (20, 3624446), (28, 2588890), (35, 2071112), (37, 1959160), (40, 1812223), (56, 1294445), (70, 1035556), (74, 979580), (140, 517778), (148, 489790), (185, 391832), (259, 279880), (280, 258889), (296, 244895), (370, 195916), (518, 139940), (740, 97958), (1036, 69970), (1295, 55976), (1480, 48979), (2072, 34985), (2590, 27988), (5180, 13994), (6997, 10360)]