72838220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1351

約数の個数: 96

約数和(自身を含む): 194482176

約数和(自身を除く): 121643956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1291, 1612, 1820, 2015, 2170, 2582, 2821, 4030, 4340, 5164, 5642, 6455, 8060, 9037, 11284, 12910, 14105, 16783, 18074, 25820, 28210, 33566, 36148, 40021, 45185, 56420, 67132, 80042, 83915, 90370, 117481, 160084, 167830, 180740, 200105, 234962, 280147, 335660, 400210, 469924, 520273, 560294, 587405, 800420, 1040546, 1120588, 1174810, 1400735, 2081092, 2349620, 2601365, 2801470, 3641911, 5202730, 5602940, 7283822, 10405460, 14567644, 18209555, 36419110, 72838220]

約数ペア:

[(1, 72838220), (2, 36419110), (4, 18209555), (5, 14567644), (7, 10405460), (10, 7283822), (13, 5602940), (14, 5202730), (20, 3641911), (26, 2801470), (28, 2601365), (31, 2349620), (35, 2081092), (52, 1400735), (62, 1174810), (65, 1120588), (70, 1040546), (91, 800420), (124, 587405), (130, 560294), (140, 520273), (155, 469924), (182, 400210), (217, 335660), (260, 280147), (310, 234962), (364, 200105), (403, 180740), (434, 167830), (455, 160084), (620, 117481), (806, 90370), (868, 83915), (910, 80042), (1085, 67132), (1291, 56420), (1612, 45185), (1820, 40021), (2015, 36148), (2170, 33566), (2582, 28210), (2821, 25820), (4030, 18074), (4340, 16783), (5164, 14105), (5642, 12910), (6455, 11284), (8060, 9037)]