641939280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21061}}^1$

素因数の和:21204

約数の個数: 80

約数和(自身を含む): 2005776384

約数和(自身を除く): 1363837104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 21061, 30480, 42122, 63183, 84244, 105305, 126366, 168488, 210610, 252732, 315915, 336976, 421220, 505464, 631830, 842440, 1010928, 1263660, 1684880, 2527320, 2674747, 5054640, 5349494, 8024241, 10698988, 13373735, 16048482, 21397976, 26747470, 32096964, 40121205, 42795952, 53494940, 64193928, 80242410, 106989880, 128387856, 160484820, 213979760, 320969640, 641939280]

約数ペア:

[(1, 641939280), (2, 320969640), (3, 213979760), (4, 160484820), (5, 128387856), (6, 106989880), (8, 80242410), (10, 64193928), (12, 53494940), (15, 42795952), (16, 40121205), (20, 32096964), (24, 26747470), (30, 21397976), (40, 16048482), (48, 13373735), (60, 10698988), (80, 8024241), (120, 5349494), (127, 5054640), (240, 2674747), (254, 2527320), (381, 1684880), (508, 1263660), (635, 1010928), (762, 842440), (1016, 631830), (1270, 505464), (1524, 421220), (1905, 336976), (2032, 315915), (2540, 252732), (3048, 210610), (3810, 168488), (5080, 126366), (6096, 105305), (7620, 84244), (10160, 63183), (15240, 42122), (21061, 30480)]