128399520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8678

約数の個数: 96

約数和(自身を含む): 417553920

約数和(自身を除く): 289154400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 8629, 14880, 17258, 25887, 34516, 43145, 51774, 69032, 86290, 103548, 129435, 138064, 172580, 207096, 258870, 267499, 276128, 345160, 414192, 517740, 534998, 690320, 802497, 828384, 1035480, 1069996, 1337495, 1380640, 1604994, 2070960, 2139992, 2674990, 3209988, 4012485, 4141920, 4279984, 5349980, 6419976, 8024970, 8559968, 10699960, 12839952, 16049940, 21399920, 25679904, 32099880, 42799840, 64199760, 128399520]

約数ペア:

[(1, 128399520), (2, 64199760), (3, 42799840), (4, 32099880), (5, 25679904), (6, 21399920), (8, 16049940), (10, 12839952), (12, 10699960), (15, 8559968), (16, 8024970), (20, 6419976), (24, 5349980), (30, 4279984), (31, 4141920), (32, 4012485), (40, 3209988), (48, 2674990), (60, 2139992), (62, 2070960), (80, 1604994), (93, 1380640), (96, 1337495), (120, 1069996), (124, 1035480), (155, 828384), (160, 802497), (186, 690320), (240, 534998), (248, 517740), (310, 414192), (372, 345160), (465, 276128), (480, 267499), (496, 258870), (620, 207096), (744, 172580), (930, 138064), (992, 129435), (1240, 103548), (1488, 86290), (1860, 69032), (2480, 51774), (2976, 43145), (3720, 34516), (4960, 25887), (7440, 17258), (8629, 14880)]