2210940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 6840288

約数和(自身を除く): 4629348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 173, 180, 213, 284, 346, 355, 426, 519, 639, 692, 710, 852, 865, 1038, 1065, 1278, 1420, 1557, 1730, 2076, 2130, 2556, 2595, 3114, 3195, 3460, 4260, 5190, 6228, 6390, 7785, 10380, 12283, 12780, 15570, 24566, 31140, 36849, 49132, 61415, 73698, 110547, 122830, 147396, 184245, 221094, 245660, 368490, 442188, 552735, 736980, 1105470, 2210940]

約数ペア:

[(1, 2210940), (2, 1105470), (3, 736980), (4, 552735), (5, 442188), (6, 368490), (9, 245660), (10, 221094), (12, 184245), (15, 147396), (18, 122830), (20, 110547), (30, 73698), (36, 61415), (45, 49132), (60, 36849), (71, 31140), (90, 24566), (142, 15570), (173, 12780), (180, 12283), (213, 10380), (284, 7785), (346, 6390), (355, 6228), (426, 5190), (519, 4260), (639, 3460), (692, 3195), (710, 3114), (852, 2595), (865, 2556), (1038, 2130), (1065, 2076), (1278, 1730), (1420, 1557)]