28538040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 86198400

約数和(自身を除く): 57660360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1459, 1630, 1956, 2445, 2918, 3260, 3912, 4377, 4890, 5836, 6520, 7295, 8754, 9780, 11672, 14590, 17508, 19560, 21885, 29180, 35016, 43770, 58360, 87540, 175080, 237817, 475634, 713451, 951268, 1189085, 1426902, 1902536, 2378170, 2853804, 3567255, 4756340, 5707608, 7134510, 9512680, 14269020, 28538040]

約数ペア:

[(1, 28538040), (2, 14269020), (3, 9512680), (4, 7134510), (5, 5707608), (6, 4756340), (8, 3567255), (10, 2853804), (12, 2378170), (15, 1902536), (20, 1426902), (24, 1189085), (30, 951268), (40, 713451), (60, 475634), (120, 237817), (163, 175080), (326, 87540), (489, 58360), (652, 43770), (815, 35016), (978, 29180), (1304, 21885), (1459, 19560), (1630, 17508), (1956, 14590), (2445, 11672), (2918, 9780), (3260, 8754), (3912, 7295), (4377, 6520), (4890, 5836)]