427555720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9319}}^1$

素因数の和:9398

約数の個数: 64

約数和(自身を含む): 1019980800

約数和(自身を除く): 592425080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 9319, 11470, 18638, 22940, 37276, 45880, 46595, 74552, 93190, 186380, 288889, 344803, 372760, 577778, 689606, 1155556, 1379212, 1444445, 1724015, 2311112, 2758424, 2888890, 3448030, 5777780, 6896060, 10688893, 11555560, 13792120, 21377786, 42755572, 53444465, 85511144, 106888930, 213777860, 427555720]

約数ペア:

[(1, 427555720), (2, 213777860), (4, 106888930), (5, 85511144), (8, 53444465), (10, 42755572), (20, 21377786), (31, 13792120), (37, 11555560), (40, 10688893), (62, 6896060), (74, 5777780), (124, 3448030), (148, 2888890), (155, 2758424), (185, 2311112), (248, 1724015), (296, 1444445), (310, 1379212), (370, 1155556), (620, 689606), (740, 577778), (1147, 372760), (1240, 344803), (1480, 288889), (2294, 186380), (4588, 93190), (5735, 74552), (9176, 46595), (9319, 45880), (11470, 37276), (18638, 22940)]