720585684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{219959}}^1$

素因数の和:219989

約数の個数: 72

約数和(自身を含む): 2241832320

約数和(自身を除く): 1521246636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 219959, 439918, 659877, 879836, 1319754, 1539713, 1979631, 2639508, 2859467, 3079426, 3959262, 4619139, 5718934, 6158852, 7918524, 8578401, 9238278, 11437868, 13857417, 17156802, 18476556, 20016269, 25735203, 27714834, 34313604, 40032538, 51470406, 55429668, 60048807, 80065076, 102940812, 120097614, 180146421, 240195228, 360292842, 720585684]

約数ペア:

[(1, 720585684), (2, 360292842), (3, 240195228), (4, 180146421), (6, 120097614), (7, 102940812), (9, 80065076), (12, 60048807), (13, 55429668), (14, 51470406), (18, 40032538), (21, 34313604), (26, 27714834), (28, 25735203), (36, 20016269), (39, 18476556), (42, 17156802), (52, 13857417), (63, 11437868), (78, 9238278), (84, 8578401), (91, 7918524), (117, 6158852), (126, 5718934), (156, 4619139), (182, 3959262), (234, 3079426), (252, 2859467), (273, 2639508), (364, 1979631), (468, 1539713), (546, 1319754), (819, 879836), (1092, 659877), (1638, 439918), (3276, 219959)]