139470480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2113

約数の個数: 120

約数和(自身を含む): 473454072

約数和(自身を除く): 333983592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 776, 873, 970, 1164, 1455, 1552, 1746, 1940, 1997, 2328, 2910, 3492, 3880, 3994, 4365, 4656, 5820, 5991, 6984, 7760, 7988, 8730, 9985, 11640, 11982, 13968, 15976, 17460, 17973, 19970, 23280, 23964, 29955, 31952, 34920, 35946, 39940, 47928, 59910, 69840, 71892, 79880, 89865, 95856, 119820, 143784, 159760, 179730, 193709, 239640, 287568, 359460, 387418, 479280, 581127, 718920, 774836, 968545, 1162254, 1437840, 1549672, 1743381, 1937090, 2324508, 2905635, 3099344, 3486762, 3874180, 4649016, 5811270, 6973524, 7748360, 8716905, 9298032, 11622540, 13947048, 15496720, 17433810, 23245080, 27894096, 34867620, 46490160, 69735240, 139470480]

約数ペア:

[(1, 139470480), (2, 69735240), (3, 46490160), (4, 34867620), (5, 27894096), (6, 23245080), (8, 17433810), (9, 15496720), (10, 13947048), (12, 11622540), (15, 9298032), (16, 8716905), (18, 7748360), (20, 6973524), (24, 5811270), (30, 4649016), (36, 3874180), (40, 3486762), (45, 3099344), (48, 2905635), (60, 2324508), (72, 1937090), (80, 1743381), (90, 1549672), (97, 1437840), (120, 1162254), (144, 968545), (180, 774836), (194, 718920), (240, 581127), (291, 479280), (360, 387418), (388, 359460), (485, 287568), (582, 239640), (720, 193709), (776, 179730), (873, 159760), (970, 143784), (1164, 119820), (1455, 95856), (1552, 89865), (1746, 79880), (1940, 71892), (1997, 69840), (2328, 59910), (2910, 47928), (3492, 39940), (3880, 35946), (3994, 34920), (4365, 31952), (4656, 29955), (5820, 23964), (5991, 23280), (6984, 19970), (7760, 17973), (7988, 17460), (8730, 15976), (9985, 13968), (11640, 11982)]