71131980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 136596660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 167, 186, 229, 310, 334, 372, 458, 465, 501, 620, 668, 687, 835, 916, 930, 1002, 1145, 1374, 1670, 1860, 2004, 2290, 2505, 2748, 3340, 3435, 4580, 5010, 5177, 6870, 7099, 10020, 10354, 13740, 14198, 15531, 20708, 21297, 25885, 28396, 31062, 35495, 38243, 42594, 51770, 62124, 70990, 76486, 77655, 85188, 103540, 106485, 114729, 141980, 152972, 155310, 191215, 212970, 229458, 310620, 382430, 425940, 458916, 573645, 764860, 1147290, 1185533, 2294580, 2371066, 3556599, 4742132, 5927665, 7113198, 11855330, 14226396, 17782995, 23710660, 35565990, 71131980]

約数ペア:

[(1, 71131980), (2, 35565990), (3, 23710660), (4, 17782995), (5, 14226396), (6, 11855330), (10, 7113198), (12, 5927665), (15, 4742132), (20, 3556599), (30, 2371066), (31, 2294580), (60, 1185533), (62, 1147290), (93, 764860), (124, 573645), (155, 458916), (167, 425940), (186, 382430), (229, 310620), (310, 229458), (334, 212970), (372, 191215), (458, 155310), (465, 152972), (501, 141980), (620, 114729), (668, 106485), (687, 103540), (835, 85188), (916, 77655), (930, 76486), (1002, 70990), (1145, 62124), (1374, 51770), (1670, 42594), (1860, 38243), (2004, 35495), (2290, 31062), (2505, 28396), (2748, 25885), (3340, 21297), (3435, 20708), (4580, 15531), (5010, 14198), (5177, 13740), (6870, 10354), (7099, 10020)]