131267640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 471214080

約数和(自身を除く): 339946440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 71, 84, 93, 105, 120, 124, 140, 142, 155, 168, 186, 210, 213, 217, 248, 280, 284, 310, 355, 372, 420, 426, 434, 465, 497, 568, 620, 651, 710, 744, 840, 852, 868, 930, 994, 1065, 1085, 1240, 1302, 1420, 1491, 1704, 1736, 1860, 1988, 2130, 2170, 2201, 2485, 2604, 2840, 2982, 3255, 3720, 3976, 4260, 4340, 4402, 4970, 5041, 5208, 5964, 6510, 6603, 7455, 8520, 8680, 8804, 9940, 10082, 11005, 11928, 13020, 13206, 14910, 15123, 15407, 17608, 19880, 20164, 22010, 25205, 26040, 26412, 29820, 30246, 30814, 33015, 35287, 40328, 44020, 46221, 50410, 52824, 59640, 60492, 61628, 66030, 70574, 75615, 77035, 88040, 92442, 100820, 105861, 120984, 123256, 132060, 141148, 151230, 154070, 156271, 176435, 184884, 201640, 211722, 231105, 264120, 282296, 302460, 308140, 312542, 352870, 369768, 423444, 462210, 468813, 529305, 604920, 616280, 625084, 705740, 781355, 846888, 924420, 937626, 1058610, 1093897, 1250168, 1411480, 1562710, 1848840, 1875252, 2117220, 2187794, 2344065, 3125420, 3281691, 3750504, 4234440, 4375588, 4688130, 5469485, 6250840, 6563382, 8751176, 9376260, 10938970, 13126764, 16408455, 18752520, 21877940, 26253528, 32816910, 43755880, 65633820, 131267640]

約数ペア:

[(1, 131267640), (2, 65633820), (3, 43755880), (4, 32816910), (5, 26253528), (6, 21877940), (7, 18752520), (8, 16408455), (10, 13126764), (12, 10938970), (14, 9376260), (15, 8751176), (20, 6563382), (21, 6250840), (24, 5469485), (28, 4688130), (30, 4375588), (31, 4234440), (35, 3750504), (40, 3281691), (42, 3125420), (56, 2344065), (60, 2187794), (62, 2117220), (70, 1875252), (71, 1848840), (84, 1562710), (93, 1411480), (105, 1250168), (120, 1093897), (124, 1058610), (140, 937626), (142, 924420), (155, 846888), (168, 781355), (186, 705740), (210, 625084), (213, 616280), (217, 604920), (248, 529305), (280, 468813), (284, 462210), (310, 423444), (355, 369768), (372, 352870), (420, 312542), (426, 308140), (434, 302460), (465, 282296), (497, 264120), (568, 231105), (620, 211722), (651, 201640), (710, 184884), (744, 176435), (840, 156271), (852, 154070), (868, 151230), (930, 141148), (994, 132060), (1065, 123256), (1085, 120984), (1240, 105861), (1302, 100820), (1420, 92442), (1491, 88040), (1704, 77035), (1736, 75615), (1860, 70574), (1988, 66030), (2130, 61628), (2170, 60492), (2201, 59640), (2485, 52824), (2604, 50410), (2840, 46221), (2982, 44020), (3255, 40328), (3720, 35287), (3976, 33015), (4260, 30814), (4340, 30246), (4402, 29820), (4970, 26412), (5041, 26040), (5208, 25205), (5964, 22010), (6510, 20164), (6603, 19880), (7455, 17608), (8520, 15407), (8680, 15123), (8804, 14910), (9940, 13206), (10082, 13020), (11005, 11928)]