178995660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{129707}}^1$

素因数の和:129742

約数の個数: 48

約数和(自身を含む): 522982656

約数和(自身を除く): 343986996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 129707, 259414, 389121, 518828, 648535, 778242, 1297070, 1556484, 1945605, 2594140, 2983261, 3891210, 5966522, 7782420, 8949783, 11933044, 14916305, 17899566, 29832610, 35799132, 44748915, 59665220, 89497830, 178995660]

約数ペア:

[(1, 178995660), (2, 89497830), (3, 59665220), (4, 44748915), (5, 35799132), (6, 29832610), (10, 17899566), (12, 14916305), (15, 11933044), (20, 8949783), (23, 7782420), (30, 5966522), (46, 3891210), (60, 2983261), (69, 2594140), (92, 1945605), (115, 1556484), (138, 1297070), (230, 778242), (276, 648535), (345, 518828), (460, 389121), (690, 259414), (1380, 129707)]