1553932980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{121591}}^1$

素因数の和:121677

約数の個数: 72

約数和(自身を含む): 4780024704

約数和(自身を除く): 3226091724

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, 121591, 243182, 364773, 486364, 607955, 729546, 1094319, 1215910, 1459092, 1823865, 2188638, 2431820, 3647730, 4377276, 5471595, 7295460, 8632961, 10943190, 17265922, 21886380, 25898883, 34531844, 43164805, 51797766, 77696649, 86329610, 103595532, 129494415, 155393298, 172659220, 258988830, 310786596, 388483245, 517977660, 776966490, 1553932980]

約数ペア:

[(1, 1553932980), (2, 776966490), (3, 517977660), (4, 388483245), (5, 310786596), (6, 258988830), (9, 172659220), (10, 155393298), (12, 129494415), (15, 103595532), (18, 86329610), (20, 77696649), (30, 51797766), (36, 43164805), (45, 34531844), (60, 25898883), (71, 21886380), (90, 17265922), (142, 10943190), (180, 8632961), (213, 7295460), (284, 5471595), (355, 4377276), (426, 3647730), (639, 2431820), (710, 2188638), (852, 1823865), (1065, 1459092), (1278, 1215910), (1420, 1094319), (2130, 729546), (2556, 607955), (3195, 486364), (4260, 364773), (6390, 243182), (12780, 121591)]