81559702980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21576641}}^1$

素因数の和:21576666

約数の個数: 96

約数和(自身を含む): 289990068480

約数和(自身を除く): 208430365500

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, 21576641, 43153282, 64729923, 86306564, 107883205, 129459846, 151036487, 194189769, 215766410, 258919692, 302072974, 323649615, 388379538, 431532820, 453109461, 582569307, 604145948, 647299230, 755182435, 776759076, 906218922, 970948845, 1165138614, 1294598460, 1359328383, 1510364870, 1812437844, 1941897690, 2265547305, 2330277228, 2718656766, 2912846535, 3020729740, 3883795380, 4077985149, 4531094610, 5437313532, 5825693070, 6796641915, 8155970298, 9062189220, 11651386140, 13593283830, 16311940596, 20389925745, 27186567660, 40779851490, 81559702980]

約数ペア:

[(1, 81559702980), (2, 40779851490), (3, 27186567660), (4, 20389925745), (5, 16311940596), (6, 13593283830), (7, 11651386140), (9, 9062189220), (10, 8155970298), (12, 6796641915), (14, 5825693070), (15, 5437313532), (18, 4531094610), (20, 4077985149), (21, 3883795380), (27, 3020729740), (28, 2912846535), (30, 2718656766), (35, 2330277228), (36, 2265547305), (42, 1941897690), (45, 1812437844), (54, 1510364870), (60, 1359328383), (63, 1294598460), (70, 1165138614), (84, 970948845), (90, 906218922), (105, 776759076), (108, 755182435), (126, 647299230), (135, 604145948), (140, 582569307), (180, 453109461), (189, 431532820), (210, 388379538), (252, 323649615), (270, 302072974), (315, 258919692), (378, 215766410), (420, 194189769), (540, 151036487), (630, 129459846), (756, 107883205), (945, 86306564), (1260, 64729923), (1890, 43153282), (3780, 21576641)]