1639180140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2101513}}^1$

素因数の和:2101538

約数の個数: 48

約数和(自身を含む): 4942760928

約数和(自身を除く): 3303580788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2101513, 4203026, 6304539, 8406052, 10507565, 12609078, 21015130, 25218156, 27319669, 31522695, 42030260, 54639338, 63045390, 81959007, 109278676, 126090780, 136598345, 163918014, 273196690, 327836028, 409795035, 546393380, 819590070, 1639180140]

約数ペア:

[(1, 1639180140), (2, 819590070), (3, 546393380), (4, 409795035), (5, 327836028), (6, 273196690), (10, 163918014), (12, 136598345), (13, 126090780), (15, 109278676), (20, 81959007), (26, 63045390), (30, 54639338), (39, 42030260), (52, 31522695), (60, 27319669), (65, 25218156), (78, 21015130), (130, 12609078), (156, 10507565), (195, 8406052), (260, 6304539), (390, 4203026), (780, 2101513)]