91017660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 281604960

約数和(自身を除く): 190587300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 181, 204, 255, 289, 290, 340, 348, 362, 435, 493, 510, 543, 578, 580, 724, 867, 870, 905, 986, 1020, 1086, 1156, 1445, 1479, 1734, 1740, 1810, 1972, 2172, 2465, 2715, 2890, 2958, 3077, 3468, 3620, 4335, 4930, 5249, 5430, 5780, 5916, 6154, 7395, 8381, 8670, 9231, 9860, 10498, 10860, 12308, 14790, 15385, 15747, 16762, 17340, 18462, 20996, 25143, 26245, 29580, 30770, 31494, 33524, 36924, 41905, 46155, 50286, 52309, 52490, 61540, 62988, 78735, 83810, 89233, 92310, 100572, 104618, 104980, 125715, 156927, 157470, 167620, 178466, 184620, 209236, 251430, 261545, 267699, 313854, 314940, 356932, 446165, 502860, 523090, 535398, 627708, 784635, 892330, 1046180, 1070796, 1338495, 1516961, 1569270, 1784660, 2676990, 3033922, 3138540, 4550883, 5353980, 6067844, 7584805, 9101766, 15169610, 18203532, 22754415, 30339220, 45508830, 91017660]

約数ペア:

[(1, 91017660), (2, 45508830), (3, 30339220), (4, 22754415), (5, 18203532), (6, 15169610), (10, 9101766), (12, 7584805), (15, 6067844), (17, 5353980), (20, 4550883), (29, 3138540), (30, 3033922), (34, 2676990), (51, 1784660), (58, 1569270), (60, 1516961), (68, 1338495), (85, 1070796), (87, 1046180), (102, 892330), (116, 784635), (145, 627708), (170, 535398), (174, 523090), (181, 502860), (204, 446165), (255, 356932), (289, 314940), (290, 313854), (340, 267699), (348, 261545), (362, 251430), (435, 209236), (493, 184620), (510, 178466), (543, 167620), (578, 157470), (580, 156927), (724, 125715), (867, 104980), (870, 104618), (905, 100572), (986, 92310), (1020, 89233), (1086, 83810), (1156, 78735), (1445, 62988), (1479, 61540), (1734, 52490), (1740, 52309), (1810, 50286), (1972, 46155), (2172, 41905), (2465, 36924), (2715, 33524), (2890, 31494), (2958, 30770), (3077, 29580), (3468, 26245), (3620, 25143), (4335, 20996), (4930, 18462), (5249, 17340), (5430, 16762), (5780, 15747), (5916, 15385), (6154, 14790), (7395, 12308), (8381, 10860), (8670, 10498), (9231, 9860)]