12920180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 34621440

約数和(自身を除く): 21701260

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, 229, 260, 310, 364, 403, 434, 455, 458, 620, 806, 868, 910, 916, 1085, 1145, 1603, 1612, 1820, 2015, 2170, 2290, 2821, 2977, 3206, 4030, 4340, 4580, 5642, 5954, 6412, 7099, 8015, 8060, 11284, 11908, 14105, 14198, 14885, 16030, 20839, 28210, 28396, 29770, 32060, 35495, 41678, 49693, 56420, 59540, 70990, 83356, 92287, 99386, 104195, 141980, 184574, 198772, 208390, 248465, 369148, 416780, 461435, 496930, 646009, 922870, 993860, 1292018, 1845740, 2584036, 3230045, 6460090, 12920180]

約数ペア:

[(1, 12920180), (2, 6460090), (4, 3230045), (5, 2584036), (7, 1845740), (10, 1292018), (13, 993860), (14, 922870), (20, 646009), (26, 496930), (28, 461435), (31, 416780), (35, 369148), (52, 248465), (62, 208390), (65, 198772), (70, 184574), (91, 141980), (124, 104195), (130, 99386), (140, 92287), (155, 83356), (182, 70990), (217, 59540), (229, 56420), (260, 49693), (310, 41678), (364, 35495), (403, 32060), (434, 29770), (455, 28396), (458, 28210), (620, 20839), (806, 16030), (868, 14885), (910, 14198), (916, 14105), (1085, 11908), (1145, 11284), (1603, 8060), (1612, 8015), (1820, 7099), (2015, 6412), (2170, 5954), (2290, 5642), (2821, 4580), (2977, 4340), (3206, 4030)]