1878247980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{496891}}^1$

素因数の和:496916

約数の個数: 96

約数和(自身を含む): 6678228480

約数和(自身を除く): 4799980500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 496891, 993782, 1490673, 1987564, 2484455, 2981346, 3478237, 4472019, 4968910, 5962692, 6956474, 7453365, 8944038, 9937820, 10434711, 13416057, 13912948, 14906730, 17391185, 17888076, 20869422, 22360095, 26832114, 29813460, 31304133, 34782370, 41738844, 44720190, 52173555, 53664228, 62608266, 67080285, 69564740, 89440380, 93912399, 104347110, 125216532, 134160570, 156520665, 187824798, 208694220, 268321140, 313041330, 375649596, 469561995, 626082660, 939123990, 1878247980]

約数ペア:

[(1, 1878247980), (2, 939123990), (3, 626082660), (4, 469561995), (5, 375649596), (6, 313041330), (7, 268321140), (9, 208694220), (10, 187824798), (12, 156520665), (14, 134160570), (15, 125216532), (18, 104347110), (20, 93912399), (21, 89440380), (27, 69564740), (28, 67080285), (30, 62608266), (35, 53664228), (36, 52173555), (42, 44720190), (45, 41738844), (54, 34782370), (60, 31304133), (63, 29813460), (70, 26832114), (84, 22360095), (90, 20869422), (105, 17888076), (108, 17391185), (126, 14906730), (135, 13912948), (140, 13416057), (180, 10434711), (189, 9937820), (210, 8944038), (252, 7453365), (270, 6956474), (315, 5962692), (378, 4968910), (420, 4472019), (540, 3478237), (630, 2981346), (756, 2484455), (945, 1987564), (1260, 1490673), (1890, 993782), (3780, 496891)]