78505320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 258163200

約数和(自身を除く): 179657880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 408, 435, 493, 510, 580, 680, 696, 870, 986, 1020, 1160, 1327, 1479, 1740, 1972, 2040, 2465, 2654, 2958, 3480, 3944, 3981, 4930, 5308, 5916, 6635, 7395, 7962, 9860, 10616, 11832, 13270, 14790, 15924, 19720, 19905, 22559, 26540, 29580, 31848, 38483, 39810, 45118, 53080, 59160, 67677, 76966, 79620, 90236, 112795, 115449, 135354, 153932, 159240, 180472, 192415, 225590, 230898, 270708, 307864, 338385, 384830, 451180, 461796, 541416, 577245, 654211, 676770, 769660, 902360, 923592, 1154490, 1308422, 1353540, 1539320, 1962633, 2308980, 2616844, 2707080, 3271055, 3925266, 4617960, 5233688, 6542110, 7850532, 9813165, 13084220, 15701064, 19626330, 26168440, 39252660, 78505320]

約数ペア:

[(1, 78505320), (2, 39252660), (3, 26168440), (4, 19626330), (5, 15701064), (6, 13084220), (8, 9813165), (10, 7850532), (12, 6542110), (15, 5233688), (17, 4617960), (20, 3925266), (24, 3271055), (29, 2707080), (30, 2616844), (34, 2308980), (40, 1962633), (51, 1539320), (58, 1353540), (60, 1308422), (68, 1154490), (85, 923592), (87, 902360), (102, 769660), (116, 676770), (120, 654211), (136, 577245), (145, 541416), (170, 461796), (174, 451180), (204, 384830), (232, 338385), (255, 307864), (290, 270708), (340, 230898), (348, 225590), (408, 192415), (435, 180472), (493, 159240), (510, 153932), (580, 135354), (680, 115449), (696, 112795), (870, 90236), (986, 79620), (1020, 76966), (1160, 67677), (1327, 59160), (1479, 53080), (1740, 45118), (1972, 39810), (2040, 38483), (2465, 31848), (2654, 29580), (2958, 26540), (3480, 22559), (3944, 19905), (3981, 19720), (4930, 15924), (5308, 14790), (5916, 13270), (6635, 11832), (7395, 10616), (7962, 9860)]