205258440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2467

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 458293560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2399, 2760, 2852, 3565, 3720, 4278, 4798, 5704, 7130, 7197, 8556, 9596, 10695, 11995, 14260, 14394, 17112, 19192, 21390, 23990, 28520, 28788, 35985, 42780, 47980, 55177, 57576, 71970, 74369, 85560, 95960, 110354, 143940, 148738, 165531, 220708, 223107, 275885, 287880, 297476, 331062, 371845, 441416, 446214, 551770, 594952, 662124, 743690, 827655, 892428, 1103540, 1115535, 1324248, 1487380, 1655310, 1710487, 1784856, 2207080, 2231070, 2974760, 3310620, 3420974, 4462140, 5131461, 6621240, 6841948, 8552435, 8924280, 10262922, 13683896, 17104870, 20525844, 25657305, 34209740, 41051688, 51314610, 68419480, 102629220, 205258440]

約数ペア:

[(1, 205258440), (2, 102629220), (3, 68419480), (4, 51314610), (5, 41051688), (6, 34209740), (8, 25657305), (10, 20525844), (12, 17104870), (15, 13683896), (20, 10262922), (23, 8924280), (24, 8552435), (30, 6841948), (31, 6621240), (40, 5131461), (46, 4462140), (60, 3420974), (62, 3310620), (69, 2974760), (92, 2231070), (93, 2207080), (115, 1784856), (120, 1710487), (124, 1655310), (138, 1487380), (155, 1324248), (184, 1115535), (186, 1103540), (230, 892428), (248, 827655), (276, 743690), (310, 662124), (345, 594952), (372, 551770), (460, 446214), (465, 441416), (552, 371845), (620, 331062), (690, 297476), (713, 287880), (744, 275885), (920, 223107), (930, 220708), (1240, 165531), (1380, 148738), (1426, 143940), (1860, 110354), (2139, 95960), (2399, 85560), (2760, 74369), (2852, 71970), (3565, 57576), (3720, 55177), (4278, 47980), (4798, 42780), (5704, 35985), (7130, 28788), (7197, 28520), (8556, 23990), (9596, 21390), (10695, 19192), (11995, 17112), (14260, 14394)]