178381980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1217

約数の個数: 192

約数和(自身を含む): 650280960

約数和(自身を除く): 471898980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 140, 164, 180, 189, 205, 210, 246, 252, 270, 287, 315, 369, 378, 410, 420, 492, 540, 574, 615, 630, 738, 756, 820, 861, 945, 1107, 1148, 1151, 1230, 1260, 1435, 1476, 1722, 1845, 1890, 2214, 2302, 2460, 2583, 2870, 3444, 3453, 3690, 3780, 4305, 4428, 4604, 5166, 5535, 5740, 5755, 6906, 7380, 7749, 8057, 8610, 10332, 10359, 11070, 11510, 12915, 13812, 15498, 16114, 17220, 17265, 20718, 22140, 23020, 24171, 25830, 30996, 31077, 32228, 34530, 38745, 40285, 41436, 47191, 48342, 51660, 51795, 62154, 69060, 72513, 77490, 80570, 94382, 96684, 103590, 120855, 124308, 141573, 145026, 154980, 155385, 161140, 188764, 207180, 217539, 235955, 241710, 283146, 290052, 310770, 330337, 362565, 424719, 435078, 471910, 483420, 566292, 621540, 660674, 707865, 725130, 849438, 870156, 943820, 991011, 1087695, 1274157, 1321348, 1415730, 1450260, 1651685, 1698876, 1982022, 2123595, 2175390, 2548314, 2831460, 2973033, 3303370, 3964044, 4247190, 4350780, 4955055, 5096628, 5946066, 6370785, 6606740, 8494380, 8919099, 9910110, 11892132, 12741570, 14865165, 17838198, 19820220, 25483140, 29730330, 35676396, 44595495, 59460660, 89190990, 178381980]

約数ペア:

[(1, 178381980), (2, 89190990), (3, 59460660), (4, 44595495), (5, 35676396), (6, 29730330), (7, 25483140), (9, 19820220), (10, 17838198), (12, 14865165), (14, 12741570), (15, 11892132), (18, 9910110), (20, 8919099), (21, 8494380), (27, 6606740), (28, 6370785), (30, 5946066), (35, 5096628), (36, 4955055), (41, 4350780), (42, 4247190), (45, 3964044), (54, 3303370), (60, 2973033), (63, 2831460), (70, 2548314), (82, 2175390), (84, 2123595), (90, 1982022), (105, 1698876), (108, 1651685), (123, 1450260), (126, 1415730), (135, 1321348), (140, 1274157), (164, 1087695), (180, 991011), (189, 943820), (205, 870156), (210, 849438), (246, 725130), (252, 707865), (270, 660674), (287, 621540), (315, 566292), (369, 483420), (378, 471910), (410, 435078), (420, 424719), (492, 362565), (540, 330337), (574, 310770), (615, 290052), (630, 283146), (738, 241710), (756, 235955), (820, 217539), (861, 207180), (945, 188764), (1107, 161140), (1148, 155385), (1151, 154980), (1230, 145026), (1260, 141573), (1435, 124308), (1476, 120855), (1722, 103590), (1845, 96684), (1890, 94382), (2214, 80570), (2302, 77490), (2460, 72513), (2583, 69060), (2870, 62154), (3444, 51795), (3453, 51660), (3690, 48342), (3780, 47191), (4305, 41436), (4428, 40285), (4604, 38745), (5166, 34530), (5535, 32228), (5740, 31077), (5755, 30996), (6906, 25830), (7380, 24171), (7749, 23020), (8057, 22140), (8610, 20718), (10332, 17265), (10359, 17220), (11070, 16114), (11510, 15498), (12915, 13812)]