311488992

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 924618240

約数和(自身を除く): 613129248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 139, 144, 186, 248, 251, 278, 279, 288, 372, 417, 496, 502, 556, 558, 744, 753, 834, 992, 1004, 1112, 1116, 1251, 1488, 1506, 1668, 2008, 2224, 2232, 2259, 2502, 2976, 3012, 3336, 4016, 4309, 4448, 4464, 4518, 5004, 6024, 6672, 7781, 8032, 8618, 8928, 9036, 10008, 12048, 12927, 13344, 15562, 17236, 18072, 20016, 23343, 24096, 25854, 31124, 34472, 34889, 36144, 38781, 40032, 46686, 51708, 62248, 68944, 69778, 70029, 72288, 77562, 93372, 103416, 104667, 124496, 137888, 139556, 140058, 155124, 186744, 206832, 209334, 248992, 279112, 280116, 310248, 314001, 373488, 413664, 418668, 558224, 560232, 620496, 628002, 746976, 837336, 1081559, 1116448, 1120464, 1240992, 1256004, 1674672, 2163118, 2240928, 2512008, 3244677, 3349344, 4326236, 5024016, 6489354, 8652472, 9734031, 10048032, 12978708, 17304944, 19468062, 25957416, 34609888, 38936124, 51914832, 77872248, 103829664, 155744496, 311488992]

約数ペア:

[(1, 311488992), (2, 155744496), (3, 103829664), (4, 77872248), (6, 51914832), (8, 38936124), (9, 34609888), (12, 25957416), (16, 19468062), (18, 17304944), (24, 12978708), (31, 10048032), (32, 9734031), (36, 8652472), (48, 6489354), (62, 5024016), (72, 4326236), (93, 3349344), (96, 3244677), (124, 2512008), (139, 2240928), (144, 2163118), (186, 1674672), (248, 1256004), (251, 1240992), (278, 1120464), (279, 1116448), (288, 1081559), (372, 837336), (417, 746976), (496, 628002), (502, 620496), (556, 560232), (558, 558224), (744, 418668), (753, 413664), (834, 373488), (992, 314001), (1004, 310248), (1112, 280116), (1116, 279112), (1251, 248992), (1488, 209334), (1506, 206832), (1668, 186744), (2008, 155124), (2224, 140058), (2232, 139556), (2259, 137888), (2502, 124496), (2976, 104667), (3012, 103416), (3336, 93372), (4016, 77562), (4309, 72288), (4448, 70029), (4464, 69778), (4518, 68944), (5004, 62248), (6024, 51708), (6672, 46686), (7781, 40032), (8032, 38781), (8618, 36144), (8928, 34889), (9036, 34472), (10008, 31124), (12048, 25854), (12927, 24096), (13344, 23343), (15562, 20016), (17236, 18072)]