1981096560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144817}}^1$

素因数の和:144855

約数の個数: 120

約数和(自身を含む): 7003398480

約数和(自身を除く): 5022301920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 144817, 289634, 434451, 579268, 724085, 868902, 1158536, 1303353, 1448170, 1737804, 2172255, 2317072, 2606706, 2751523, 2896340, 3475608, 4344510, 5213412, 5503046, 5792680, 6516765, 6951216, 8254569, 8689020, 10426824, 11006092, 11585360, 13033530, 13757615, 16509138, 17378040, 20853648, 22012184, 24763707, 26067060, 27515230, 33018276, 34756080, 41272845, 44024368, 49527414, 52134120, 55030460, 66036552, 82545690, 99054828, 104268240, 110060920, 123818535, 132073104, 165091380, 198109656, 220121840, 247637070, 330182760, 396219312, 495274140, 660365520, 990548280, 1981096560]

約数ペア:

[(1, 1981096560), (2, 990548280), (3, 660365520), (4, 495274140), (5, 396219312), (6, 330182760), (8, 247637070), (9, 220121840), (10, 198109656), (12, 165091380), (15, 132073104), (16, 123818535), (18, 110060920), (19, 104268240), (20, 99054828), (24, 82545690), (30, 66036552), (36, 55030460), (38, 52134120), (40, 49527414), (45, 44024368), (48, 41272845), (57, 34756080), (60, 33018276), (72, 27515230), (76, 26067060), (80, 24763707), (90, 22012184), (95, 20853648), (114, 17378040), (120, 16509138), (144, 13757615), (152, 13033530), (171, 11585360), (180, 11006092), (190, 10426824), (228, 8689020), (240, 8254569), (285, 6951216), (304, 6516765), (342, 5792680), (360, 5503046), (380, 5213412), (456, 4344510), (570, 3475608), (684, 2896340), (720, 2751523), (760, 2606706), (855, 2317072), (912, 2172255), (1140, 1737804), (1368, 1448170), (1520, 1303353), (1710, 1158536), (2280, 868902), (2736, 724085), (3420, 579268), (4560, 434451), (6840, 289634), (13680, 144817)]