80454080

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{733}}^1$

素因数の和:771

約数の個数: 112

約数和(自身を含む): 223723200

約数和(自身を除く): 143269120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 733, 784, 980, 1120, 1372, 1466, 1568, 1715, 1960, 2240, 2744, 2932, 3136, 3430, 3665, 3920, 5131, 5488, 5864, 6860, 7330, 7840, 10262, 10976, 11728, 13720, 14660, 15680, 20524, 21952, 23456, 25655, 27440, 29320, 35917, 41048, 46912, 51310, 54880, 58640, 71834, 82096, 102620, 109760, 117280, 143668, 164192, 179585, 205240, 234560, 251419, 287336, 328384, 359170, 410480, 502838, 574672, 718340, 820960, 1005676, 1149344, 1257095, 1436680, 1641920, 2011352, 2298688, 2514190, 2873360, 4022704, 5028380, 5746720, 8045408, 10056760, 11493440, 16090816, 20113520, 40227040, 80454080]

約数ペア:

[(1, 80454080), (2, 40227040), (4, 20113520), (5, 16090816), (7, 11493440), (8, 10056760), (10, 8045408), (14, 5746720), (16, 5028380), (20, 4022704), (28, 2873360), (32, 2514190), (35, 2298688), (40, 2011352), (49, 1641920), (56, 1436680), (64, 1257095), (70, 1149344), (80, 1005676), (98, 820960), (112, 718340), (140, 574672), (160, 502838), (196, 410480), (224, 359170), (245, 328384), (280, 287336), (320, 251419), (343, 234560), (392, 205240), (448, 179585), (490, 164192), (560, 143668), (686, 117280), (733, 109760), (784, 102620), (980, 82096), (1120, 71834), (1372, 58640), (1466, 54880), (1568, 51310), (1715, 46912), (1960, 41048), (2240, 35917), (2744, 29320), (2932, 27440), (3136, 25655), (3430, 23456), (3665, 21952), (3920, 20524), (5131, 15680), (5488, 14660), (5864, 13720), (6860, 11728), (7330, 10976), (7840, 10262)]