201885660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15797}}^1$

素因数の和:15883

約数の個数: 72

約数和(自身を含む): 621050976

約数和(自身を除く): 419165316

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, 6390, 12780, 15797, 31594, 47391, 63188, 78985, 94782, 142173, 157970, 189564, 236955, 284346, 315940, 473910, 568692, 710865, 947820, 1121587, 1421730, 2243174, 2843460, 3364761, 4486348, 5607935, 6729522, 10094283, 11215870, 13459044, 16823805, 20188566, 22431740, 33647610, 40377132, 50471415, 67295220, 100942830, 201885660]

約数ペア:

[(1, 201885660), (2, 100942830), (3, 67295220), (4, 50471415), (5, 40377132), (6, 33647610), (9, 22431740), (10, 20188566), (12, 16823805), (15, 13459044), (18, 11215870), (20, 10094283), (30, 6729522), (36, 5607935), (45, 4486348), (60, 3364761), (71, 2843460), (90, 2243174), (142, 1421730), (180, 1121587), (213, 947820), (284, 710865), (355, 568692), (426, 473910), (639, 315940), (710, 284346), (852, 236955), (1065, 189564), (1278, 157970), (1420, 142173), (2130, 94782), (2556, 78985), (3195, 63188), (4260, 47391), (6390, 31594), (12780, 15797)]