1620357840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23201}}^1$

素因数の和:23317

約数の個数: 120

約数和(自身を含む): 5498038728

約数和(自身を除く): 3877680888

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, 2328, 2910, 3492, 3880, 4365, 4656, 5820, 6984, 7760, 8730, 11640, 13968, 17460, 23201, 23280, 34920, 46402, 69603, 69840, 92804, 116005, 139206, 185608, 208809, 232010, 278412, 348015, 371216, 417618, 464020, 556824, 696030, 835236, 928040, 1044045, 1113648, 1392060, 1670472, 1856080, 2088090, 2250497, 2784120, 3340944, 4176180, 4500994, 5568240, 6751491, 8352360, 9001988, 11252485, 13502982, 16704720, 18003976, 20254473, 22504970, 27005964, 33757455, 36007952, 40508946, 45009940, 54011928, 67514910, 81017892, 90019880, 101272365, 108023856, 135029820, 162035784, 180039760, 202544730, 270059640, 324071568, 405089460, 540119280, 810178920, 1620357840]

約数ペア:

[(1, 1620357840), (2, 810178920), (3, 540119280), (4, 405089460), (5, 324071568), (6, 270059640), (8, 202544730), (9, 180039760), (10, 162035784), (12, 135029820), (15, 108023856), (16, 101272365), (18, 90019880), (20, 81017892), (24, 67514910), (30, 54011928), (36, 45009940), (40, 40508946), (45, 36007952), (48, 33757455), (60, 27005964), (72, 22504970), (80, 20254473), (90, 18003976), (97, 16704720), (120, 13502982), (144, 11252485), (180, 9001988), (194, 8352360), (240, 6751491), (291, 5568240), (360, 4500994), (388, 4176180), (485, 3340944), (582, 2784120), (720, 2250497), (776, 2088090), (873, 1856080), (970, 1670472), (1164, 1392060), (1455, 1113648), (1552, 1044045), (1746, 928040), (1940, 835236), (2328, 696030), (2910, 556824), (3492, 464020), (3880, 417618), (4365, 371216), (4656, 348015), (5820, 278412), (6984, 232010), (7760, 208809), (8730, 185608), (11640, 139206), (13968, 116005), (17460, 92804), (23201, 69840), (23280, 69603), (34920, 46402)]