243214440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 256

約数和(自身を含む): 898560000

約数和(自身を除く): 655345560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 311, 343, 380, 392, 399, 420, 456, 490, 532, 570, 588, 622, 665, 686, 735, 760, 798, 840, 931, 933, 980, 1029, 1064, 1140, 1176, 1244, 1330, 1372, 1470, 1555, 1596, 1715, 1862, 1866, 1960, 1995, 2058, 2177, 2280, 2488, 2660, 2744, 2793, 2940, 3110, 3192, 3430, 3724, 3732, 3990, 4116, 4354, 4655, 4665, 5145, 5320, 5586, 5880, 5909, 6220, 6517, 6531, 6860, 7448, 7464, 7980, 8232, 8708, 9310, 9330, 10290, 10885, 11172, 11818, 12440, 13034, 13062, 13720, 13965, 15239, 15960, 17416, 17727, 18620, 18660, 19551, 20580, 21770, 22344, 23636, 26068, 26124, 27930, 29545, 30478, 32585, 32655, 35454, 37240, 37320, 39102, 41160, 41363, 43540, 45717, 47272, 52136, 52248, 55860, 59090, 60956, 65170, 65310, 70908, 76195, 78204, 82726, 87080, 88635, 91434, 97755, 106673, 111720, 118180, 121912, 124089, 130340, 130620, 141816, 152390, 156408, 165452, 177270, 182868, 195510, 206815, 213346, 228585, 236360, 248178, 260680, 261240, 289541, 304780, 320019, 330904, 354540, 365736, 391020, 413630, 426692, 457170, 496356, 533365, 579082, 609560, 620445, 640038, 709080, 782040, 827260, 853384, 868623, 914340, 992712, 1066730, 1158164, 1240890, 1280076, 1447705, 1600095, 1654520, 1737246, 1828680, 2026787, 2133460, 2316328, 2481780, 2560152, 2895410, 3200190, 3474492, 4053574, 4266920, 4343115, 4963560, 5790820, 6080361, 6400380, 6948984, 8107148, 8686230, 10133935, 11581640, 12160722, 12800760, 16214296, 17372460, 20267870, 24321444, 30401805, 34744920, 40535740, 48642888, 60803610, 81071480, 121607220, 243214440]

約数ペア:

[(1, 243214440), (2, 121607220), (3, 81071480), (4, 60803610), (5, 48642888), (6, 40535740), (7, 34744920), (8, 30401805), (10, 24321444), (12, 20267870), (14, 17372460), (15, 16214296), (19, 12800760), (20, 12160722), (21, 11581640), (24, 10133935), (28, 8686230), (30, 8107148), (35, 6948984), (38, 6400380), (40, 6080361), (42, 5790820), (49, 4963560), (56, 4343115), (57, 4266920), (60, 4053574), (70, 3474492), (76, 3200190), (84, 2895410), (95, 2560152), (98, 2481780), (105, 2316328), (114, 2133460), (120, 2026787), (133, 1828680), (140, 1737246), (147, 1654520), (152, 1600095), (168, 1447705), (190, 1280076), (196, 1240890), (210, 1158164), (228, 1066730), (245, 992712), (266, 914340), (280, 868623), (285, 853384), (294, 827260), (311, 782040), (343, 709080), (380, 640038), (392, 620445), (399, 609560), (420, 579082), (456, 533365), (490, 496356), (532, 457170), (570, 426692), (588, 413630), (622, 391020), (665, 365736), (686, 354540), (735, 330904), (760, 320019), (798, 304780), (840, 289541), (931, 261240), (933, 260680), (980, 248178), (1029, 236360), (1064, 228585), (1140, 213346), (1176, 206815), (1244, 195510), (1330, 182868), (1372, 177270), (1470, 165452), (1555, 156408), (1596, 152390), (1715, 141816), (1862, 130620), (1866, 130340), (1960, 124089), (1995, 121912), (2058, 118180), (2177, 111720), (2280, 106673), (2488, 97755), (2660, 91434), (2744, 88635), (2793, 87080), (2940, 82726), (3110, 78204), (3192, 76195), (3430, 70908), (3724, 65310), (3732, 65170), (3990, 60956), (4116, 59090), (4354, 55860), (4655, 52248), (4665, 52136), (5145, 47272), (5320, 45717), (5586, 43540), (5880, 41363), (5909, 41160), (6220, 39102), (6517, 37320), (6531, 37240), (6860, 35454), (7448, 32655), (7464, 32585), (7980, 30478), (8232, 29545), (8708, 27930), (9310, 26124), (9330, 26068), (10290, 23636), (10885, 22344), (11172, 21770), (11818, 20580), (12440, 19551), (13034, 18660), (13062, 18620), (13720, 17727), (13965, 17416), (15239, 15960)]