148122640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 354263040

約数和(自身を除く): 206140400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 127, 239, 244, 254, 305, 478, 488, 508, 610, 635, 956, 976, 1016, 1195, 1220, 1270, 1912, 2032, 2390, 2440, 2540, 3824, 4780, 4880, 5080, 7747, 9560, 10160, 14579, 15494, 19120, 29158, 30353, 30988, 38735, 58316, 60706, 61976, 72895, 77470, 116632, 121412, 123952, 145790, 151765, 154940, 233264, 242824, 291580, 303530, 309880, 485648, 583160, 607060, 619760, 1166320, 1214120, 1851533, 2428240, 3703066, 7406132, 9257665, 14812264, 18515330, 29624528, 37030660, 74061320, 148122640]

約数ペア:

[(1, 148122640), (2, 74061320), (4, 37030660), (5, 29624528), (8, 18515330), (10, 14812264), (16, 9257665), (20, 7406132), (40, 3703066), (61, 2428240), (80, 1851533), (122, 1214120), (127, 1166320), (239, 619760), (244, 607060), (254, 583160), (305, 485648), (478, 309880), (488, 303530), (508, 291580), (610, 242824), (635, 233264), (956, 154940), (976, 151765), (1016, 145790), (1195, 123952), (1220, 121412), (1270, 116632), (1912, 77470), (2032, 72895), (2390, 61976), (2440, 60706), (2540, 58316), (3824, 38735), (4780, 30988), (4880, 30353), (5080, 29158), (7747, 19120), (9560, 15494), (10160, 14579)]