12403720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 32947200

約数和(自身を除く): 20543480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1429, 1736, 2170, 2858, 4340, 5716, 7145, 8680, 10003, 11432, 14290, 20006, 28580, 40012, 44299, 50015, 57160, 80024, 88598, 100030, 177196, 200060, 221495, 310093, 354392, 400120, 442990, 620186, 885980, 1240372, 1550465, 1771960, 2480744, 3100930, 6201860, 12403720]

約数ペア:

[(1, 12403720), (2, 6201860), (4, 3100930), (5, 2480744), (7, 1771960), (8, 1550465), (10, 1240372), (14, 885980), (20, 620186), (28, 442990), (31, 400120), (35, 354392), (40, 310093), (56, 221495), (62, 200060), (70, 177196), (124, 100030), (140, 88598), (155, 80024), (217, 57160), (248, 50015), (280, 44299), (310, 40012), (434, 28580), (620, 20006), (868, 14290), (1085, 11432), (1240, 10003), (1429, 8680), (1736, 7145), (2170, 5716), (2858, 4340)]