245479080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 256

約数和(自身を含む): 948879360

約数和(自身を除く): 703400280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 616, 620, 651, 660, 682, 744, 770, 840, 857, 868, 924, 930, 1023, 1085, 1155, 1240, 1302, 1320, 1364, 1540, 1705, 1714, 1736, 1848, 1860, 2046, 2170, 2310, 2387, 2571, 2604, 2728, 3080, 3255, 3410, 3428, 3720, 4092, 4285, 4340, 4620, 4774, 5115, 5142, 5208, 5999, 6510, 6820, 6856, 7161, 8184, 8570, 8680, 9240, 9427, 9548, 10230, 10284, 11935, 11998, 12855, 13020, 13640, 14322, 17140, 17997, 18854, 19096, 20460, 20568, 23870, 23996, 25710, 26040, 26567, 28281, 28644, 29995, 34280, 35805, 35994, 37708, 40920, 47135, 47740, 47992, 51420, 53134, 56562, 57288, 59990, 65989, 71610, 71988, 75416, 79701, 89985, 94270, 95480, 102840, 106268, 113124, 119980, 131978, 132835, 141405, 143220, 143976, 159402, 179970, 185969, 188540, 197967, 212536, 226248, 239960, 263956, 265670, 282810, 286440, 292237, 318804, 329945, 359940, 371938, 377080, 395934, 398505, 527912, 531340, 557907, 565620, 584474, 637608, 659890, 719880, 743876, 791868, 797010, 876711, 929845, 989835, 1062680, 1115814, 1131240, 1168948, 1319780, 1461185, 1487752, 1583736, 1594020, 1753422, 1859690, 1979670, 2045659, 2231628, 2337896, 2639560, 2789535, 2922370, 3188040, 3506844, 3719380, 3959340, 4091318, 4383555, 4463256, 5579070, 5844740, 6136977, 7013688, 7438760, 7918680, 8182636, 8767110, 10228295, 11158140, 11689480, 12273954, 16365272, 17534220, 20456590, 22316280, 24547908, 30684885, 35068440, 40913180, 49095816, 61369770, 81826360, 122739540, 245479080]

約数ペア:

[(1, 245479080), (2, 122739540), (3, 81826360), (4, 61369770), (5, 49095816), (6, 40913180), (7, 35068440), (8, 30684885), (10, 24547908), (11, 22316280), (12, 20456590), (14, 17534220), (15, 16365272), (20, 12273954), (21, 11689480), (22, 11158140), (24, 10228295), (28, 8767110), (30, 8182636), (31, 7918680), (33, 7438760), (35, 7013688), (40, 6136977), (42, 5844740), (44, 5579070), (55, 4463256), (56, 4383555), (60, 4091318), (62, 3959340), (66, 3719380), (70, 3506844), (77, 3188040), (84, 2922370), (88, 2789535), (93, 2639560), (105, 2337896), (110, 2231628), (120, 2045659), (124, 1979670), (132, 1859690), (140, 1753422), (154, 1594020), (155, 1583736), (165, 1487752), (168, 1461185), (186, 1319780), (210, 1168948), (217, 1131240), (220, 1115814), (231, 1062680), (248, 989835), (264, 929845), (280, 876711), (308, 797010), (310, 791868), (330, 743876), (341, 719880), (372, 659890), (385, 637608), (420, 584474), (434, 565620), (440, 557907), (462, 531340), (465, 527912), (616, 398505), (620, 395934), (651, 377080), (660, 371938), (682, 359940), (744, 329945), (770, 318804), (840, 292237), (857, 286440), (868, 282810), (924, 265670), (930, 263956), (1023, 239960), (1085, 226248), (1155, 212536), (1240, 197967), (1302, 188540), (1320, 185969), (1364, 179970), (1540, 159402), (1705, 143976), (1714, 143220), (1736, 141405), (1848, 132835), (1860, 131978), (2046, 119980), (2170, 113124), (2310, 106268), (2387, 102840), (2571, 95480), (2604, 94270), (2728, 89985), (3080, 79701), (3255, 75416), (3410, 71988), (3428, 71610), (3720, 65989), (4092, 59990), (4285, 57288), (4340, 56562), (4620, 53134), (4774, 51420), (5115, 47992), (5142, 47740), (5208, 47135), (5999, 40920), (6510, 37708), (6820, 35994), (6856, 35805), (7161, 34280), (8184, 29995), (8570, 28644), (8680, 28281), (9240, 26567), (9427, 26040), (9548, 25710), (10230, 23996), (10284, 23870), (11935, 20568), (11998, 20460), (12855, 19096), (13020, 18854), (13640, 17997), (14322, 17140)]