15244840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 38908800

約数和(自身を除く): 23663960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1543, 1976, 2470, 3086, 4940, 6172, 7715, 9880, 12344, 15430, 20059, 29317, 30860, 40118, 58634, 61720, 80236, 100295, 117268, 146585, 160472, 200590, 234536, 293170, 381121, 401180, 586340, 762242, 802360, 1172680, 1524484, 1905605, 3048968, 3811210, 7622420, 15244840]

約数ペア:

[(1, 15244840), (2, 7622420), (4, 3811210), (5, 3048968), (8, 1905605), (10, 1524484), (13, 1172680), (19, 802360), (20, 762242), (26, 586340), (38, 401180), (40, 381121), (52, 293170), (65, 234536), (76, 200590), (95, 160472), (104, 146585), (130, 117268), (152, 100295), (190, 80236), (247, 61720), (260, 58634), (380, 40118), (494, 30860), (520, 29317), (760, 20059), (988, 15430), (1235, 12344), (1543, 9880), (1976, 7715), (2470, 6172), (3086, 4940)]