662220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 2170896

約数和(自身を除く): 1508676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 283, 390, 468, 566, 585, 780, 849, 1132, 1170, 1415, 1698, 2340, 2547, 2830, 3396, 3679, 4245, 5094, 5660, 7358, 8490, 10188, 11037, 12735, 14716, 16980, 18395, 22074, 25470, 33111, 36790, 44148, 50940, 55185, 66222, 73580, 110370, 132444, 165555, 220740, 331110, 662220]

約数ペア:

[(1, 662220), (2, 331110), (3, 220740), (4, 165555), (5, 132444), (6, 110370), (9, 73580), (10, 66222), (12, 55185), (13, 50940), (15, 44148), (18, 36790), (20, 33111), (26, 25470), (30, 22074), (36, 18395), (39, 16980), (45, 14716), (52, 12735), (60, 11037), (65, 10188), (78, 8490), (90, 7358), (117, 5660), (130, 5094), (156, 4245), (180, 3679), (195, 3396), (234, 2830), (260, 2547), (283, 2340), (390, 1698), (468, 1415), (566, 1170), (585, 1132), (780, 849)]