28666620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2377}}^1$

素因数の和:2459

約数の個数: 72

約数和(自身を含む): 88290384

約数和(自身を除く): 59623764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2377, 2412, 3015, 4020, 4754, 6030, 7131, 9508, 11885, 12060, 14262, 21393, 23770, 28524, 35655, 42786, 47540, 71310, 85572, 106965, 142620, 159259, 213930, 318518, 427860, 477777, 637036, 796295, 955554, 1433331, 1592590, 1911108, 2388885, 2866662, 3185180, 4777770, 5733324, 7166655, 9555540, 14333310, 28666620]

約数ペア:

[(1, 28666620), (2, 14333310), (3, 9555540), (4, 7166655), (5, 5733324), (6, 4777770), (9, 3185180), (10, 2866662), (12, 2388885), (15, 1911108), (18, 1592590), (20, 1433331), (30, 955554), (36, 796295), (45, 637036), (60, 477777), (67, 427860), (90, 318518), (134, 213930), (180, 159259), (201, 142620), (268, 106965), (335, 85572), (402, 71310), (603, 47540), (670, 42786), (804, 35655), (1005, 28524), (1206, 23770), (1340, 21393), (2010, 14262), (2377, 12060), (2412, 11885), (3015, 9508), (4020, 7131), (4754, 6030)]