646251120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{897571}}^1$

素因数の和:897590

約数の個数: 60

約数和(自身を含む): 2170329096

約数和(自身を除く): 1524077976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 897571, 1795142, 2692713, 3590284, 4487855, 5385426, 7180568, 8078139, 8975710, 10770852, 13463565, 14361136, 16156278, 17951420, 21541704, 26927130, 32312556, 35902840, 40390695, 43083408, 53854260, 64625112, 71805680, 80781390, 107708520, 129250224, 161562780, 215417040, 323125560, 646251120]

約数ペア:

[(1, 646251120), (2, 323125560), (3, 215417040), (4, 161562780), (5, 129250224), (6, 107708520), (8, 80781390), (9, 71805680), (10, 64625112), (12, 53854260), (15, 43083408), (16, 40390695), (18, 35902840), (20, 32312556), (24, 26927130), (30, 21541704), (36, 17951420), (40, 16156278), (45, 14361136), (48, 13463565), (60, 10770852), (72, 8975710), (80, 8078139), (90, 7180568), (120, 5385426), (144, 4487855), (180, 3590284), (240, 2692713), (360, 1795142), (720, 897571)]