28016880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1091}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 87744384

約数和(自身を除く): 59727504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1091, 1284, 1605, 1712, 2140, 2182, 2568, 3210, 3273, 4280, 4364, 5136, 5455, 6420, 6546, 8560, 8728, 10910, 12840, 13092, 16365, 17456, 21820, 25680, 26184, 32730, 43640, 52368, 65460, 87280, 116737, 130920, 233474, 261840, 350211, 466948, 583685, 700422, 933896, 1167370, 1400844, 1751055, 1867792, 2334740, 2801688, 3502110, 4669480, 5603376, 7004220, 9338960, 14008440, 28016880]

約数ペア:

[(1, 28016880), (2, 14008440), (3, 9338960), (4, 7004220), (5, 5603376), (6, 4669480), (8, 3502110), (10, 2801688), (12, 2334740), (15, 1867792), (16, 1751055), (20, 1400844), (24, 1167370), (30, 933896), (40, 700422), (48, 583685), (60, 466948), (80, 350211), (107, 261840), (120, 233474), (214, 130920), (240, 116737), (321, 87280), (428, 65460), (535, 52368), (642, 43640), (856, 32730), (1070, 26184), (1091, 25680), (1284, 21820), (1605, 17456), (1712, 16365), (2140, 13092), (2182, 12840), (2568, 10910), (3210, 8728), (3273, 8560), (4280, 6546), (4364, 6420), (5136, 5455)]