1991746680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7433}}^1$

素因数の和:7494

約数の個数: 256

約数和(自身を含む): 7707571200

約数和(自身を除く): 5715824520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 29, 30, 33, 35, 40, 42, 44, 55, 56, 58, 60, 66, 70, 77, 84, 87, 88, 105, 110, 116, 120, 132, 140, 145, 154, 165, 168, 174, 203, 210, 220, 231, 232, 264, 280, 290, 308, 319, 330, 348, 385, 406, 420, 435, 440, 462, 580, 609, 616, 638, 660, 696, 770, 812, 840, 870, 924, 957, 1015, 1155, 1160, 1218, 1276, 1320, 1540, 1595, 1624, 1740, 1848, 1914, 2030, 2233, 2310, 2436, 2552, 3045, 3080, 3190, 3480, 3828, 4060, 4466, 4620, 4785, 4872, 6090, 6380, 6699, 7433, 7656, 8120, 8932, 9240, 9570, 11165, 12180, 12760, 13398, 14866, 17864, 19140, 22299, 22330, 24360, 26796, 29732, 33495, 37165, 38280, 44598, 44660, 52031, 53592, 59464, 66990, 74330, 81763, 89196, 89320, 104062, 111495, 133980, 148660, 156093, 163526, 178392, 208124, 215557, 222990, 245289, 260155, 267960, 297320, 312186, 327052, 408815, 416248, 431114, 445980, 490578, 520310, 572341, 624372, 646671, 654104, 780465, 817630, 862228, 891960, 981156, 1040620, 1077785, 1144682, 1226445, 1248744, 1293342, 1508899, 1560930, 1635260, 1717023, 1724456, 1962312, 2081240, 2155570, 2289364, 2371127, 2452890, 2586684, 2861705, 3017798, 3121860, 3233355, 3270520, 3434046, 4311140, 4526697, 4578728, 4742254, 4905780, 5173368, 5723410, 6035596, 6243720, 6466710, 6868092, 7113381, 7544495, 8585115, 8622280, 9053394, 9484508, 9811560, 11446820, 11855635, 12071192, 12933420, 13736184, 14226762, 15088990, 16597889, 17170230, 18106788, 18969016, 22633485, 22893640, 23711270, 25866840, 28453524, 30177980, 33195778, 34340460, 35566905, 36213576, 45266970, 47422540, 49793667, 56907048, 60355960, 66391556, 68680920, 71133810, 82989445, 90533940, 94845080, 99587334, 132783112, 142267620, 165978890, 181067880, 199174668, 248968335, 284535240, 331957780, 398349336, 497936670, 663915560, 995873340, 1991746680]

約数ペア:

[(1, 1991746680), (2, 995873340), (3, 663915560), (4, 497936670), (5, 398349336), (6, 331957780), (7, 284535240), (8, 248968335), (10, 199174668), (11, 181067880), (12, 165978890), (14, 142267620), (15, 132783112), (20, 99587334), (21, 94845080), (22, 90533940), (24, 82989445), (28, 71133810), (29, 68680920), (30, 66391556), (33, 60355960), (35, 56907048), (40, 49793667), (42, 47422540), (44, 45266970), (55, 36213576), (56, 35566905), (58, 34340460), (60, 33195778), (66, 30177980), (70, 28453524), (77, 25866840), (84, 23711270), (87, 22893640), (88, 22633485), (105, 18969016), (110, 18106788), (116, 17170230), (120, 16597889), (132, 15088990), (140, 14226762), (145, 13736184), (154, 12933420), (165, 12071192), (168, 11855635), (174, 11446820), (203, 9811560), (210, 9484508), (220, 9053394), (231, 8622280), (232, 8585115), (264, 7544495), (280, 7113381), (290, 6868092), (308, 6466710), (319, 6243720), (330, 6035596), (348, 5723410), (385, 5173368), (406, 4905780), (420, 4742254), (435, 4578728), (440, 4526697), (462, 4311140), (580, 3434046), (609, 3270520), (616, 3233355), (638, 3121860), (660, 3017798), (696, 2861705), (770, 2586684), (812, 2452890), (840, 2371127), (870, 2289364), (924, 2155570), (957, 2081240), (1015, 1962312), (1155, 1724456), (1160, 1717023), (1218, 1635260), (1276, 1560930), (1320, 1508899), (1540, 1293342), (1595, 1248744), (1624, 1226445), (1740, 1144682), (1848, 1077785), (1914, 1040620), (2030, 981156), (2233, 891960), (2310, 862228), (2436, 817630), (2552, 780465), (3045, 654104), (3080, 646671), (3190, 624372), (3480, 572341), (3828, 520310), (4060, 490578), (4466, 445980), (4620, 431114), (4785, 416248), (4872, 408815), (6090, 327052), (6380, 312186), (6699, 297320), (7433, 267960), (7656, 260155), (8120, 245289), (8932, 222990), (9240, 215557), (9570, 208124), (11165, 178392), (12180, 163526), (12760, 156093), (13398, 148660), (14866, 133980), (17864, 111495), (19140, 104062), (22299, 89320), (22330, 89196), (24360, 81763), (26796, 74330), (29732, 66990), (33495, 59464), (37165, 53592), (38280, 52031), (44598, 44660)]