28376730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 80

約数和(自身を含む): 77859144

約数和(自身を除く): 49482414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 530, 661, 795, 810, 954, 1322, 1431, 1590, 1983, 2385, 2862, 3305, 3966, 4293, 4770, 5949, 6610, 7155, 8586, 9915, 11898, 14310, 17847, 19830, 21465, 29745, 35033, 35694, 42930, 53541, 59490, 70066, 89235, 105099, 107082, 175165, 178470, 210198, 267705, 315297, 350330, 525495, 535410, 630594, 945891, 1050990, 1576485, 1891782, 2837673, 3152970, 4729455, 5675346, 9458910, 14188365, 28376730]

約数ペア:

[(1, 28376730), (2, 14188365), (3, 9458910), (5, 5675346), (6, 4729455), (9, 3152970), (10, 2837673), (15, 1891782), (18, 1576485), (27, 1050990), (30, 945891), (45, 630594), (53, 535410), (54, 525495), (81, 350330), (90, 315297), (106, 267705), (135, 210198), (159, 178470), (162, 175165), (265, 107082), (270, 105099), (318, 89235), (405, 70066), (477, 59490), (530, 53541), (661, 42930), (795, 35694), (810, 35033), (954, 29745), (1322, 21465), (1431, 19830), (1590, 17847), (1983, 14310), (2385, 11898), (2862, 9915), (3305, 8586), (3966, 7155), (4293, 6610), (4770, 5949)]