251340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 725760

約数和(自身を除く): 474420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 71, 118, 142, 177, 213, 236, 284, 295, 354, 355, 426, 590, 708, 710, 852, 885, 1065, 1180, 1420, 1770, 2130, 3540, 4189, 4260, 8378, 12567, 16756, 20945, 25134, 41890, 50268, 62835, 83780, 125670, 251340]

約数ペア:

[(1, 251340), (2, 125670), (3, 83780), (4, 62835), (5, 50268), (6, 41890), (10, 25134), (12, 20945), (15, 16756), (20, 12567), (30, 8378), (59, 4260), (60, 4189), (71, 3540), (118, 2130), (142, 1770), (177, 1420), (213, 1180), (236, 1065), (284, 885), (295, 852), (354, 710), (355, 708), (426, 590)]