128457936

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 120

約数和(自身を含む): 391716000

約数和(自身を除く): 263258064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 36, 38, 48, 57, 58, 72, 76, 87, 114, 116, 144, 152, 171, 174, 228, 232, 261, 304, 342, 348, 456, 464, 522, 551, 684, 696, 912, 1044, 1102, 1368, 1392, 1619, 1653, 2088, 2204, 2736, 3238, 3306, 4176, 4408, 4857, 4959, 6476, 6612, 8816, 9714, 9918, 12952, 13224, 14571, 19428, 19836, 25904, 26448, 29142, 30761, 38856, 39672, 46951, 58284, 61522, 77712, 79344, 92283, 93902, 116568, 123044, 140853, 184566, 187804, 233136, 246088, 276849, 281706, 369132, 375608, 422559, 492176, 553698, 563412, 738264, 751216, 845118, 892069, 1107396, 1126824, 1476528, 1690236, 1784138, 2214792, 2253648, 2676207, 3380472, 3568276, 4429584, 5352414, 6760944, 7136552, 8028621, 10704828, 14273104, 16057242, 21409656, 32114484, 42819312, 64228968, 128457936]

約数ペア:

[(1, 128457936), (2, 64228968), (3, 42819312), (4, 32114484), (6, 21409656), (8, 16057242), (9, 14273104), (12, 10704828), (16, 8028621), (18, 7136552), (19, 6760944), (24, 5352414), (29, 4429584), (36, 3568276), (38, 3380472), (48, 2676207), (57, 2253648), (58, 2214792), (72, 1784138), (76, 1690236), (87, 1476528), (114, 1126824), (116, 1107396), (144, 892069), (152, 845118), (171, 751216), (174, 738264), (228, 563412), (232, 553698), (261, 492176), (304, 422559), (342, 375608), (348, 369132), (456, 281706), (464, 276849), (522, 246088), (551, 233136), (684, 187804), (696, 184566), (912, 140853), (1044, 123044), (1102, 116568), (1368, 93902), (1392, 92283), (1619, 79344), (1653, 77712), (2088, 61522), (2204, 58284), (2736, 46951), (3238, 39672), (3306, 38856), (4176, 30761), (4408, 29142), (4857, 26448), (4959, 25904), (6476, 19836), (6612, 19428), (8816, 14571), (9714, 13224), (9918, 12952)]