72721240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 174376800

約数和(自身を除く): 101655560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 229, 340, 458, 467, 680, 916, 934, 1145, 1832, 1868, 2290, 2335, 3736, 3893, 4580, 4670, 7786, 7939, 9160, 9340, 15572, 15878, 18680, 19465, 31144, 31756, 38930, 39695, 63512, 77860, 79390, 106943, 155720, 158780, 213886, 317560, 427772, 534715, 855544, 1069430, 1818031, 2138860, 3636062, 4277720, 7272124, 9090155, 14544248, 18180310, 36360620, 72721240]

約数ペア:

[(1, 72721240), (2, 36360620), (4, 18180310), (5, 14544248), (8, 9090155), (10, 7272124), (17, 4277720), (20, 3636062), (34, 2138860), (40, 1818031), (68, 1069430), (85, 855544), (136, 534715), (170, 427772), (229, 317560), (340, 213886), (458, 158780), (467, 155720), (680, 106943), (916, 79390), (934, 77860), (1145, 63512), (1832, 39695), (1868, 38930), (2290, 31756), (2335, 31144), (3736, 19465), (3893, 18680), (4580, 15878), (4670, 15572), (7786, 9340), (7939, 9160)]