56116980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4477

約数の個数: 72

約数和(自身を含む): 172658304

約数和(自身を除く): 116541324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 4391, 6390, 8782, 12780, 13173, 17564, 21955, 26346, 39519, 43910, 52692, 65865, 79038, 87820, 131730, 158076, 197595, 263460, 311761, 395190, 623522, 790380, 935283, 1247044, 1558805, 1870566, 2805849, 3117610, 3741132, 4676415, 5611698, 6235220, 9352830, 11223396, 14029245, 18705660, 28058490, 56116980]

約数ペア:

[(1, 56116980), (2, 28058490), (3, 18705660), (4, 14029245), (5, 11223396), (6, 9352830), (9, 6235220), (10, 5611698), (12, 4676415), (15, 3741132), (18, 3117610), (20, 2805849), (30, 1870566), (36, 1558805), (45, 1247044), (60, 935283), (71, 790380), (90, 623522), (142, 395190), (180, 311761), (213, 263460), (284, 197595), (355, 158076), (426, 131730), (639, 87820), (710, 79038), (852, 65865), (1065, 52692), (1278, 43910), (1420, 39519), (2130, 26346), (2556, 21955), (3195, 17564), (4260, 13173), (4391, 12780), (6390, 8782)]