260447880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 256

約数和(自身を含む): 990351360

約数和(自身を除く): 729903480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 330, 355, 385, 397, 420, 426, 440, 462, 497, 568, 616, 660, 710, 770, 781, 794, 840, 852, 924, 994, 1065, 1155, 1191, 1320, 1420, 1491, 1540, 1562, 1588, 1704, 1848, 1985, 1988, 2130, 2310, 2343, 2382, 2485, 2779, 2840, 2982, 3080, 3124, 3176, 3905, 3970, 3976, 4260, 4367, 4620, 4686, 4764, 4970, 5467, 5558, 5955, 5964, 6248, 7455, 7810, 7940, 8337, 8520, 8734, 9240, 9372, 9528, 9940, 10934, 11116, 11715, 11910, 11928, 13101, 13895, 14910, 15620, 15880, 16401, 16674, 17468, 18744, 19880, 21835, 21868, 22232, 23430, 23820, 26202, 27335, 27790, 28187, 29820, 30569, 31240, 32802, 33348, 34936, 41685, 43670, 43736, 46860, 47640, 52404, 54670, 55580, 56374, 59640, 61138, 65505, 65604, 66696, 82005, 83370, 84561, 87340, 91707, 93720, 104808, 109340, 111160, 112748, 122276, 131010, 131208, 140935, 152845, 164010, 166740, 169122, 174680, 183414, 197309, 218680, 225496, 244552, 262020, 281870, 305690, 310057, 328020, 333480, 338244, 366828, 394618, 422805, 458535, 524040, 563740, 591927, 611380, 620114, 656040, 676488, 733656, 789236, 845610, 917070, 930171, 986545, 1127480, 1183854, 1222760, 1240228, 1550285, 1578472, 1691220, 1834140, 1860342, 1973090, 2170399, 2367708, 2480456, 2959635, 3100570, 3382440, 3668280, 3720684, 3946180, 4340798, 4650855, 4735416, 5919270, 6201140, 6511197, 7441368, 7892360, 8681596, 9301710, 10851995, 11838540, 12402280, 13022394, 17363192, 18603420, 21703990, 23677080, 26044788, 32555985, 37206840, 43407980, 52089576, 65111970, 86815960, 130223940, 260447880]

約数ペア:

[(1, 260447880), (2, 130223940), (3, 86815960), (4, 65111970), (5, 52089576), (6, 43407980), (7, 37206840), (8, 32555985), (10, 26044788), (11, 23677080), (12, 21703990), (14, 18603420), (15, 17363192), (20, 13022394), (21, 12402280), (22, 11838540), (24, 10851995), (28, 9301710), (30, 8681596), (33, 7892360), (35, 7441368), (40, 6511197), (42, 6201140), (44, 5919270), (55, 4735416), (56, 4650855), (60, 4340798), (66, 3946180), (70, 3720684), (71, 3668280), (77, 3382440), (84, 3100570), (88, 2959635), (105, 2480456), (110, 2367708), (120, 2170399), (132, 1973090), (140, 1860342), (142, 1834140), (154, 1691220), (165, 1578472), (168, 1550285), (210, 1240228), (213, 1222760), (220, 1183854), (231, 1127480), (264, 986545), (280, 930171), (284, 917070), (308, 845610), (330, 789236), (355, 733656), (385, 676488), (397, 656040), (420, 620114), (426, 611380), (440, 591927), (462, 563740), (497, 524040), (568, 458535), (616, 422805), (660, 394618), (710, 366828), (770, 338244), (781, 333480), (794, 328020), (840, 310057), (852, 305690), (924, 281870), (994, 262020), (1065, 244552), (1155, 225496), (1191, 218680), (1320, 197309), (1420, 183414), (1491, 174680), (1540, 169122), (1562, 166740), (1588, 164010), (1704, 152845), (1848, 140935), (1985, 131208), (1988, 131010), (2130, 122276), (2310, 112748), (2343, 111160), (2382, 109340), (2485, 104808), (2779, 93720), (2840, 91707), (2982, 87340), (3080, 84561), (3124, 83370), (3176, 82005), (3905, 66696), (3970, 65604), (3976, 65505), (4260, 61138), (4367, 59640), (4620, 56374), (4686, 55580), (4764, 54670), (4970, 52404), (5467, 47640), (5558, 46860), (5955, 43736), (5964, 43670), (6248, 41685), (7455, 34936), (7810, 33348), (7940, 32802), (8337, 31240), (8520, 30569), (8734, 29820), (9240, 28187), (9372, 27790), (9528, 27335), (9940, 26202), (10934, 23820), (11116, 23430), (11715, 22232), (11910, 21868), (11928, 21835), (13101, 19880), (13895, 18744), (14910, 17468), (15620, 16674), (15880, 16401)]