31775940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25219}}^1$

素因数の和:25241

約数の個数: 72

約数和(自身を含む): 110160960

約数和(自身を除く): 78385020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25219, 50438, 75657, 100876, 126095, 151314, 176533, 226971, 252190, 302628, 353066, 378285, 453942, 504380, 529599, 706132, 756570, 882665, 907884, 1059198, 1134855, 1513140, 1588797, 1765330, 2118396, 2269710, 2647995, 3177594, 3530660, 4539420, 5295990, 6355188, 7943985, 10591980, 15887970, 31775940]

約数ペア:

[(1, 31775940), (2, 15887970), (3, 10591980), (4, 7943985), (5, 6355188), (6, 5295990), (7, 4539420), (9, 3530660), (10, 3177594), (12, 2647995), (14, 2269710), (15, 2118396), (18, 1765330), (20, 1588797), (21, 1513140), (28, 1134855), (30, 1059198), (35, 907884), (36, 882665), (42, 756570), (45, 706132), (60, 529599), (63, 504380), (70, 453942), (84, 378285), (90, 353066), (105, 302628), (126, 252190), (140, 226971), (180, 176533), (210, 151314), (252, 126095), (315, 100876), (420, 75657), (630, 50438), (1260, 25219)]