127581440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 362033280

約数和(自身を除く): 234451840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 491, 560, 580, 640, 812, 896, 928, 982, 1015, 1120, 1160, 1280, 1624, 1792, 1856, 1964, 2030, 2240, 2320, 2455, 3248, 3437, 3712, 3928, 4060, 4480, 4640, 4910, 6496, 6874, 7424, 7856, 8120, 8960, 9280, 9820, 12992, 13748, 14239, 15712, 16240, 17185, 18560, 19640, 25984, 27496, 28478, 31424, 32480, 34370, 37120, 39280, 51968, 54992, 56956, 62848, 64960, 68740, 71195, 78560, 99673, 109984, 113912, 125696, 129920, 137480, 142390, 157120, 199346, 219968, 227824, 259840, 274960, 284780, 314240, 398692, 439936, 455648, 498365, 549920, 569560, 628480, 797384, 879872, 911296, 996730, 1099840, 1139120, 1594768, 1822592, 1993460, 2199680, 2278240, 3189536, 3645184, 3986920, 4399360, 4556480, 6379072, 7973840, 9112960, 12758144, 15947680, 18225920, 25516288, 31895360, 63790720, 127581440]

約数ペア:

[(1, 127581440), (2, 63790720), (4, 31895360), (5, 25516288), (7, 18225920), (8, 15947680), (10, 12758144), (14, 9112960), (16, 7973840), (20, 6379072), (28, 4556480), (29, 4399360), (32, 3986920), (35, 3645184), (40, 3189536), (56, 2278240), (58, 2199680), (64, 1993460), (70, 1822592), (80, 1594768), (112, 1139120), (116, 1099840), (128, 996730), (140, 911296), (145, 879872), (160, 797384), (203, 628480), (224, 569560), (232, 549920), (256, 498365), (280, 455648), (290, 439936), (320, 398692), (406, 314240), (448, 284780), (464, 274960), (491, 259840), (560, 227824), (580, 219968), (640, 199346), (812, 157120), (896, 142390), (928, 137480), (982, 129920), (1015, 125696), (1120, 113912), (1160, 109984), (1280, 99673), (1624, 78560), (1792, 71195), (1856, 68740), (1964, 64960), (2030, 62848), (2240, 56956), (2320, 54992), (2455, 51968), (3248, 39280), (3437, 37120), (3712, 34370), (3928, 32480), (4060, 31424), (4480, 28478), (4640, 27496), (4910, 25984), (6496, 19640), (6874, 18560), (7424, 17185), (7856, 16240), (8120, 15712), (8960, 14239), (9280, 13748), (9820, 12992)]