256799040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8680

約数の個数: 112

約数和(自身を含む): 841735680

約数和(自身を除く): 584936640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8629, 9920, 14880, 17258, 25887, 29760, 34516, 43145, 51774, 69032, 86290, 103548, 129435, 138064, 172580, 207096, 258870, 267499, 276128, 345160, 414192, 517740, 534998, 552256, 690320, 802497, 828384, 1035480, 1069996, 1337495, 1380640, 1604994, 1656768, 2070960, 2139992, 2674990, 2761280, 3209988, 4012485, 4141920, 4279984, 5349980, 6419976, 8024970, 8283840, 8559968, 10699960, 12839952, 16049940, 17119936, 21399920, 25679904, 32099880, 42799840, 51359808, 64199760, 85599680, 128399520, 256799040]

約数ペア:

[(1, 256799040), (2, 128399520), (3, 85599680), (4, 64199760), (5, 51359808), (6, 42799840), (8, 32099880), (10, 25679904), (12, 21399920), (15, 17119936), (16, 16049940), (20, 12839952), (24, 10699960), (30, 8559968), (31, 8283840), (32, 8024970), (40, 6419976), (48, 5349980), (60, 4279984), (62, 4141920), (64, 4012485), (80, 3209988), (93, 2761280), (96, 2674990), (120, 2139992), (124, 2070960), (155, 1656768), (160, 1604994), (186, 1380640), (192, 1337495), (240, 1069996), (248, 1035480), (310, 828384), (320, 802497), (372, 690320), (465, 552256), (480, 534998), (496, 517740), (620, 414192), (744, 345160), (930, 276128), (960, 267499), (992, 258870), (1240, 207096), (1488, 172580), (1860, 138064), (1984, 129435), (2480, 103548), (2976, 86290), (3720, 69032), (4960, 51774), (5952, 43145), (7440, 34516), (8629, 29760), (9920, 25887), (14880, 17258)]