1781456880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1060391}}^1$

素因数の和:1060414

約数の個数: 80

約数和(自身を含む): 6311453184

約数和(自身を除く): 4529996304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1060391, 2120782, 3181173, 4241564, 5301955, 6362346, 7422737, 8483128, 10603910, 12724692, 14845474, 15905865, 16966256, 21207820, 22268211, 25449384, 29690948, 31811730, 37113685, 42415640, 44536422, 50898768, 59381896, 63623460, 74227370, 84831280, 89072844, 111341055, 118763792, 127246920, 148454740, 178145688, 222682110, 254493840, 296909480, 356291376, 445364220, 593818960, 890728440, 1781456880]

約数ペア:

[(1, 1781456880), (2, 890728440), (3, 593818960), (4, 445364220), (5, 356291376), (6, 296909480), (7, 254493840), (8, 222682110), (10, 178145688), (12, 148454740), (14, 127246920), (15, 118763792), (16, 111341055), (20, 89072844), (21, 84831280), (24, 74227370), (28, 63623460), (30, 59381896), (35, 50898768), (40, 44536422), (42, 42415640), (48, 37113685), (56, 31811730), (60, 29690948), (70, 25449384), (80, 22268211), (84, 21207820), (105, 16966256), (112, 15905865), (120, 14845474), (140, 12724692), (168, 10603910), (210, 8483128), (240, 7422737), (280, 6362346), (336, 5301955), (420, 4241564), (560, 3181173), (840, 2120782), (1680, 1060391)]