16875990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 30298410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 71, 90, 95, 114, 139, 142, 171, 190, 213, 278, 285, 342, 355, 417, 426, 570, 639, 695, 710, 834, 855, 1065, 1251, 1278, 1349, 1390, 1710, 2085, 2130, 2502, 2641, 2698, 3195, 4047, 4170, 5282, 6255, 6390, 6745, 7923, 8094, 9869, 12141, 12510, 13205, 13490, 15846, 19738, 20235, 23769, 24282, 26410, 29607, 39615, 40470, 47538, 49345, 59214, 60705, 79230, 88821, 98690, 118845, 121410, 148035, 177642, 187511, 237690, 296070, 375022, 444105, 562533, 888210, 937555, 1125066, 1687599, 1875110, 2812665, 3375198, 5625330, 8437995, 16875990]

約数ペア:

[(1, 16875990), (2, 8437995), (3, 5625330), (5, 3375198), (6, 2812665), (9, 1875110), (10, 1687599), (15, 1125066), (18, 937555), (19, 888210), (30, 562533), (38, 444105), (45, 375022), (57, 296070), (71, 237690), (90, 187511), (95, 177642), (114, 148035), (139, 121410), (142, 118845), (171, 98690), (190, 88821), (213, 79230), (278, 60705), (285, 59214), (342, 49345), (355, 47538), (417, 40470), (426, 39615), (570, 29607), (639, 26410), (695, 24282), (710, 23769), (834, 20235), (855, 19738), (1065, 15846), (1251, 13490), (1278, 13205), (1349, 12510), (1390, 12141), (1710, 9869), (2085, 8094), (2130, 7923), (2502, 6745), (2641, 6390), (2698, 6255), (3195, 5282), (4047, 4170)]