262535280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:196

約数の個数: 240

約数和(自身を含む): 973842432

約数和(自身を除く): 711307152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 71, 80, 84, 93, 105, 112, 120, 124, 140, 142, 155, 168, 186, 210, 213, 217, 240, 248, 280, 284, 310, 336, 355, 372, 420, 426, 434, 465, 496, 497, 560, 568, 620, 651, 710, 744, 840, 852, 868, 930, 994, 1065, 1085, 1136, 1240, 1302, 1420, 1488, 1491, 1680, 1704, 1736, 1860, 1988, 2130, 2170, 2201, 2480, 2485, 2604, 2840, 2982, 3255, 3408, 3472, 3720, 3976, 4260, 4340, 4402, 4970, 5041, 5208, 5680, 5964, 6510, 6603, 7440, 7455, 7952, 8520, 8680, 8804, 9940, 10082, 10416, 11005, 11928, 13020, 13206, 14910, 15123, 15407, 17040, 17360, 17608, 19880, 20164, 22010, 23856, 25205, 26040, 26412, 29820, 30246, 30814, 33015, 35216, 35287, 39760, 40328, 44020, 46221, 50410, 52080, 52824, 59640, 60492, 61628, 66030, 70574, 75615, 77035, 80656, 88040, 92442, 100820, 105648, 105861, 119280, 120984, 123256, 132060, 141148, 151230, 154070, 156271, 176080, 176435, 184884, 201640, 211722, 231105, 241968, 246512, 264120, 282296, 302460, 308140, 312542, 352870, 369768, 403280, 423444, 462210, 468813, 528240, 529305, 564592, 604920, 616280, 625084, 705740, 739536, 781355, 846888, 924420, 937626, 1058610, 1093897, 1209840, 1232560, 1250168, 1411480, 1562710, 1693776, 1848840, 1875252, 2117220, 2187794, 2344065, 2500336, 2822960, 3125420, 3281691, 3697680, 3750504, 4234440, 4375588, 4688130, 5469485, 6250840, 6563382, 7501008, 8468880, 8751176, 9376260, 10938970, 12501680, 13126764, 16408455, 17502352, 18752520, 21877940, 26253528, 32816910, 37505040, 43755880, 52507056, 65633820, 87511760, 131267640, 262535280]

約数ペア:

[(1, 262535280), (2, 131267640), (3, 87511760), (4, 65633820), (5, 52507056), (6, 43755880), (7, 37505040), (8, 32816910), (10, 26253528), (12, 21877940), (14, 18752520), (15, 17502352), (16, 16408455), (20, 13126764), (21, 12501680), (24, 10938970), (28, 9376260), (30, 8751176), (31, 8468880), (35, 7501008), (40, 6563382), (42, 6250840), (48, 5469485), (56, 4688130), (60, 4375588), (62, 4234440), (70, 3750504), (71, 3697680), (80, 3281691), (84, 3125420), (93, 2822960), (105, 2500336), (112, 2344065), (120, 2187794), (124, 2117220), (140, 1875252), (142, 1848840), (155, 1693776), (168, 1562710), (186, 1411480), (210, 1250168), (213, 1232560), (217, 1209840), (240, 1093897), (248, 1058610), (280, 937626), (284, 924420), (310, 846888), (336, 781355), (355, 739536), (372, 705740), (420, 625084), (426, 616280), (434, 604920), (465, 564592), (496, 529305), (497, 528240), (560, 468813), (568, 462210), (620, 423444), (651, 403280), (710, 369768), (744, 352870), (840, 312542), (852, 308140), (868, 302460), (930, 282296), (994, 264120), (1065, 246512), (1085, 241968), (1136, 231105), (1240, 211722), (1302, 201640), (1420, 184884), (1488, 176435), (1491, 176080), (1680, 156271), (1704, 154070), (1736, 151230), (1860, 141148), (1988, 132060), (2130, 123256), (2170, 120984), (2201, 119280), (2480, 105861), (2485, 105648), (2604, 100820), (2840, 92442), (2982, 88040), (3255, 80656), (3408, 77035), (3472, 75615), (3720, 70574), (3976, 66030), (4260, 61628), (4340, 60492), (4402, 59640), (4970, 52824), (5041, 52080), (5208, 50410), (5680, 46221), (5964, 44020), (6510, 40328), (6603, 39760), (7440, 35287), (7455, 35216), (7952, 33015), (8520, 30814), (8680, 30246), (8804, 29820), (9940, 26412), (10082, 26040), (10416, 25205), (11005, 23856), (11928, 22010), (13020, 20164), (13206, 19880), (14910, 17608), (15123, 17360), (15407, 17040)]