77195460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18121}}^1$

素因数の和:18204

約数の個数: 48

約数和(自身を含む): 219203712

約数和(自身を除く): 142008252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18121, 36242, 54363, 72484, 90605, 108726, 181210, 217452, 271815, 362420, 543630, 1087260, 1286591, 2573182, 3859773, 5146364, 6432955, 7719546, 12865910, 15439092, 19298865, 25731820, 38597730, 77195460]

約数ペア:

[(1, 77195460), (2, 38597730), (3, 25731820), (4, 19298865), (5, 15439092), (6, 12865910), (10, 7719546), (12, 6432955), (15, 5146364), (20, 3859773), (30, 2573182), (60, 1286591), (71, 1087260), (142, 543630), (213, 362420), (284, 271815), (355, 217452), (426, 181210), (710, 108726), (852, 90605), (1065, 72484), (1420, 54363), (2130, 36242), (4260, 18121)]