28020330

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:922

約数の個数: 96

約数和(自身を含む): 81454464

約数和(自身を除く): 53434134

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 810, 887, 1053, 1170, 1215, 1755, 1774, 2106, 2430, 2661, 3159, 3510, 4435, 5265, 5322, 6318, 7983, 8870, 10530, 11531, 13305, 15795, 15966, 23062, 23949, 26610, 31590, 34593, 39915, 47898, 57655, 69186, 71847, 79830, 103779, 115310, 119745, 143694, 172965, 207558, 215541, 239490, 311337, 345930, 359235, 431082, 518895, 622674, 718470, 934011, 1037790, 1077705, 1556685, 1868022, 2155410, 2802033, 3113370, 4670055, 5604066, 9340110, 14010165, 28020330]

約数ペア:

[(1, 28020330), (2, 14010165), (3, 9340110), (5, 5604066), (6, 4670055), (9, 3113370), (10, 2802033), (13, 2155410), (15, 1868022), (18, 1556685), (26, 1077705), (27, 1037790), (30, 934011), (39, 718470), (45, 622674), (54, 518895), (65, 431082), (78, 359235), (81, 345930), (90, 311337), (117, 239490), (130, 215541), (135, 207558), (162, 172965), (195, 143694), (234, 119745), (243, 115310), (270, 103779), (351, 79830), (390, 71847), (405, 69186), (486, 57655), (585, 47898), (702, 39915), (810, 34593), (887, 31590), (1053, 26610), (1170, 23949), (1215, 23062), (1755, 15966), (1774, 15795), (2106, 13305), (2430, 11531), (2661, 10530), (3159, 8870), (3510, 7983), (4435, 6318), (5265, 5322)]