28127280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 87851520

約数和(自身を除く): 59724240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 719, 815, 978, 1304, 1438, 1630, 1956, 2157, 2445, 2608, 2876, 3260, 3595, 3912, 4314, 4890, 5752, 6520, 7190, 7824, 8628, 9780, 10785, 11504, 13040, 14380, 17256, 19560, 21570, 28760, 34512, 39120, 43140, 57520, 86280, 117197, 172560, 234394, 351591, 468788, 585985, 703182, 937576, 1171970, 1406364, 1757955, 1875152, 2343940, 2812728, 3515910, 4687880, 5625456, 7031820, 9375760, 14063640, 28127280]

約数ペア:

[(1, 28127280), (2, 14063640), (3, 9375760), (4, 7031820), (5, 5625456), (6, 4687880), (8, 3515910), (10, 2812728), (12, 2343940), (15, 1875152), (16, 1757955), (20, 1406364), (24, 1171970), (30, 937576), (40, 703182), (48, 585985), (60, 468788), (80, 351591), (120, 234394), (163, 172560), (240, 117197), (326, 86280), (489, 57520), (652, 43140), (719, 39120), (815, 34512), (978, 28760), (1304, 21570), (1438, 19560), (1630, 17256), (1956, 14380), (2157, 13040), (2445, 11504), (2608, 10785), (2876, 9780), (3260, 8628), (3595, 7824), (3912, 7190), (4314, 6520), (4890, 5752)]