255184440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 256

約数和(自身を含む): 940032000

約数和(自身を除く): 684847560

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, 56, 57, 59, 60, 70, 76, 84, 95, 105, 114, 118, 120, 133, 140, 152, 168, 177, 190, 210, 228, 236, 266, 271, 280, 285, 295, 354, 380, 399, 413, 420, 456, 472, 532, 542, 570, 590, 665, 708, 760, 798, 813, 826, 840, 885, 1064, 1084, 1121, 1140, 1180, 1239, 1330, 1355, 1416, 1596, 1626, 1652, 1770, 1897, 1995, 2065, 2168, 2242, 2280, 2360, 2478, 2660, 2710, 3192, 3252, 3304, 3363, 3540, 3794, 3990, 4065, 4130, 4484, 4956, 5149, 5320, 5420, 5605, 5691, 6195, 6504, 6726, 7080, 7588, 7847, 7980, 8130, 8260, 8968, 9485, 9912, 10298, 10840, 11210, 11382, 12390, 13452, 15176, 15447, 15694, 15960, 15989, 16260, 16520, 16815, 18970, 20596, 22420, 22764, 23541, 24780, 25745, 26904, 28455, 30894, 31388, 31978, 32520, 33630, 36043, 37940, 39235, 41192, 44840, 45528, 47082, 47967, 49560, 51490, 56910, 61788, 62776, 63956, 67260, 72086, 75880, 77235, 78470, 79945, 94164, 95934, 102980, 108129, 111923, 113820, 117705, 123576, 127912, 134520, 144172, 154470, 156940, 159890, 180215, 188328, 191868, 205960, 216258, 223846, 227640, 235410, 239835, 288344, 303791, 308940, 313880, 319780, 335769, 360430, 383736, 432516, 447692, 470820, 479670, 540645, 559615, 607582, 617880, 639560, 671538, 720860, 865032, 895384, 911373, 941640, 959340, 1081290, 1119230, 1215164, 1343076, 1441720, 1518955, 1678845, 1822746, 1918680, 2126537, 2162580, 2238460, 2430328, 2686152, 3037910, 3357690, 3645492, 4253074, 4325160, 4476920, 4556865, 6075820, 6379611, 6715380, 7290984, 8506148, 9113730, 10632685, 12151640, 12759222, 13430760, 17012296, 18227460, 21265370, 25518444, 31898055, 36454920, 42530740, 51036888, 63796110, 85061480, 127592220, 255184440]

約数ペア:

[(1, 255184440), (2, 127592220), (3, 85061480), (4, 63796110), (5, 51036888), (6, 42530740), (7, 36454920), (8, 31898055), (10, 25518444), (12, 21265370), (14, 18227460), (15, 17012296), (19, 13430760), (20, 12759222), (21, 12151640), (24, 10632685), (28, 9113730), (30, 8506148), (35, 7290984), (38, 6715380), (40, 6379611), (42, 6075820), (56, 4556865), (57, 4476920), (59, 4325160), (60, 4253074), (70, 3645492), (76, 3357690), (84, 3037910), (95, 2686152), (105, 2430328), (114, 2238460), (118, 2162580), (120, 2126537), (133, 1918680), (140, 1822746), (152, 1678845), (168, 1518955), (177, 1441720), (190, 1343076), (210, 1215164), (228, 1119230), (236, 1081290), (266, 959340), (271, 941640), (280, 911373), (285, 895384), (295, 865032), (354, 720860), (380, 671538), (399, 639560), (413, 617880), (420, 607582), (456, 559615), (472, 540645), (532, 479670), (542, 470820), (570, 447692), (590, 432516), (665, 383736), (708, 360430), (760, 335769), (798, 319780), (813, 313880), (826, 308940), (840, 303791), (885, 288344), (1064, 239835), (1084, 235410), (1121, 227640), (1140, 223846), (1180, 216258), (1239, 205960), (1330, 191868), (1355, 188328), (1416, 180215), (1596, 159890), (1626, 156940), (1652, 154470), (1770, 144172), (1897, 134520), (1995, 127912), (2065, 123576), (2168, 117705), (2242, 113820), (2280, 111923), (2360, 108129), (2478, 102980), (2660, 95934), (2710, 94164), (3192, 79945), (3252, 78470), (3304, 77235), (3363, 75880), (3540, 72086), (3794, 67260), (3990, 63956), (4065, 62776), (4130, 61788), (4484, 56910), (4956, 51490), (5149, 49560), (5320, 47967), (5420, 47082), (5605, 45528), (5691, 44840), (6195, 41192), (6504, 39235), (6726, 37940), (7080, 36043), (7588, 33630), (7847, 32520), (7980, 31978), (8130, 31388), (8260, 30894), (8968, 28455), (9485, 26904), (9912, 25745), (10298, 24780), (10840, 23541), (11210, 22764), (11382, 22420), (12390, 20596), (13452, 18970), (15176, 16815), (15447, 16520), (15694, 16260), (15960, 15989)]