28294740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 86381568

約数和(自身を除く): 58086828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 823, 955, 1146, 1646, 1719, 1910, 2292, 2469, 2865, 3292, 3438, 3820, 4115, 4938, 5730, 6876, 7407, 8230, 8595, 9876, 11460, 12345, 14814, 16460, 17190, 24690, 29628, 34380, 37035, 49380, 74070, 148140, 157193, 314386, 471579, 628772, 785965, 943158, 1414737, 1571930, 1886316, 2357895, 2829474, 3143860, 4715790, 5658948, 7073685, 9431580, 14147370, 28294740]

約数ペア:

[(1, 28294740), (2, 14147370), (3, 9431580), (4, 7073685), (5, 5658948), (6, 4715790), (9, 3143860), (10, 2829474), (12, 2357895), (15, 1886316), (18, 1571930), (20, 1414737), (30, 943158), (36, 785965), (45, 628772), (60, 471579), (90, 314386), (180, 157193), (191, 148140), (382, 74070), (573, 49380), (764, 37035), (823, 34380), (955, 29628), (1146, 24690), (1646, 17190), (1719, 16460), (1910, 14814), (2292, 12345), (2469, 11460), (2865, 9876), (3292, 8595), (3438, 8230), (3820, 7407), (4115, 6876), (4938, 5730)]