80065620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 262342080

約数和(自身を除く): 182276460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 571, 615, 684, 738, 779, 820, 855, 1140, 1142, 1230, 1476, 1558, 1710, 1713, 1845, 2284, 2337, 2460, 2855, 3116, 3420, 3426, 3690, 3895, 4674, 5139, 5710, 6852, 7011, 7380, 7790, 8565, 9348, 10278, 10849, 11420, 11685, 14022, 15580, 17130, 20556, 21698, 23370, 23411, 25695, 28044, 32547, 34260, 35055, 43396, 46740, 46822, 51390, 54245, 65094, 70110, 70233, 93644, 97641, 102780, 108490, 117055, 130188, 140220, 140466, 162735, 195282, 210699, 216980, 234110, 280932, 325470, 351165, 390564, 421398, 444809, 468220, 488205, 650940, 702330, 842796, 889618, 976410, 1053495, 1334427, 1404660, 1779236, 1952820, 2106990, 2224045, 2668854, 4003281, 4213980, 4448090, 5337708, 6672135, 8006562, 8896180, 13344270, 16013124, 20016405, 26688540, 40032810, 80065620]

約数ペア:

[(1, 80065620), (2, 40032810), (3, 26688540), (4, 20016405), (5, 16013124), (6, 13344270), (9, 8896180), (10, 8006562), (12, 6672135), (15, 5337708), (18, 4448090), (19, 4213980), (20, 4003281), (30, 2668854), (36, 2224045), (38, 2106990), (41, 1952820), (45, 1779236), (57, 1404660), (60, 1334427), (76, 1053495), (82, 976410), (90, 889618), (95, 842796), (114, 702330), (123, 650940), (164, 488205), (171, 468220), (180, 444809), (190, 421398), (205, 390564), (228, 351165), (246, 325470), (285, 280932), (342, 234110), (369, 216980), (380, 210699), (410, 195282), (492, 162735), (570, 140466), (571, 140220), (615, 130188), (684, 117055), (738, 108490), (779, 102780), (820, 97641), (855, 93644), (1140, 70233), (1142, 70110), (1230, 65094), (1476, 54245), (1558, 51390), (1710, 46822), (1713, 46740), (1845, 43396), (2284, 35055), (2337, 34260), (2460, 32547), (2855, 28044), (3116, 25695), (3420, 23411), (3426, 23370), (3690, 21698), (3895, 20556), (4674, 17130), (5139, 15580), (5710, 14022), (6852, 11685), (7011, 11420), (7380, 10849), (7790, 10278), (8565, 9348)]