72180878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 72971122

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 79, 119, 154, 158, 187, 238, 349, 374, 553, 698, 869, 1106, 1309, 1343, 1738, 2443, 2618, 2686, 3839, 4886, 5933, 6083, 7678, 9401, 11866, 12166, 14773, 18802, 26873, 27571, 29546, 41531, 53746, 55142, 65263, 83062, 103411, 130526, 192997, 206822, 303281, 385994, 456841, 468707, 606562, 913682, 937414, 2122967, 3280949, 4245934, 5155777, 6561898, 10311554, 36090439, 72180878]

約数ペア:

[(1, 72180878), (2, 36090439), (7, 10311554), (11, 6561898), (14, 5155777), (17, 4245934), (22, 3280949), (34, 2122967), (77, 937414), (79, 913682), (119, 606562), (154, 468707), (158, 456841), (187, 385994), (238, 303281), (349, 206822), (374, 192997), (553, 130526), (698, 103411), (869, 83062), (1106, 65263), (1309, 55142), (1343, 53746), (1738, 41531), (2443, 29546), (2618, 27571), (2686, 26873), (3839, 18802), (4886, 14773), (5933, 12166), (6083, 11866), (7678, 9401)]