12990870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 36391680

約数和(自身を除く): 23400810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 71, 90, 95, 107, 114, 142, 171, 190, 213, 214, 285, 321, 342, 355, 426, 535, 570, 639, 642, 710, 855, 963, 1065, 1070, 1278, 1349, 1605, 1710, 1926, 2033, 2130, 2698, 3195, 3210, 4047, 4066, 4815, 6099, 6390, 6745, 7597, 8094, 9630, 10165, 12141, 12198, 13490, 15194, 18297, 20235, 20330, 22791, 24282, 30495, 36594, 37985, 40470, 45582, 60705, 60990, 68373, 75970, 91485, 113955, 121410, 136746, 144343, 182970, 227910, 288686, 341865, 433029, 683730, 721715, 866058, 1299087, 1443430, 2165145, 2598174, 4330290, 6495435, 12990870]

約数ペア:

[(1, 12990870), (2, 6495435), (3, 4330290), (5, 2598174), (6, 2165145), (9, 1443430), (10, 1299087), (15, 866058), (18, 721715), (19, 683730), (30, 433029), (38, 341865), (45, 288686), (57, 227910), (71, 182970), (90, 144343), (95, 136746), (107, 121410), (114, 113955), (142, 91485), (171, 75970), (190, 68373), (213, 60990), (214, 60705), (285, 45582), (321, 40470), (342, 37985), (355, 36594), (426, 30495), (535, 24282), (570, 22791), (639, 20330), (642, 20235), (710, 18297), (855, 15194), (963, 13490), (1065, 12198), (1070, 12141), (1278, 10165), (1349, 9630), (1605, 8094), (1710, 7597), (1926, 6745), (2033, 6390), (2130, 6099), (2698, 4815), (3195, 4066), (3210, 4047)]