80718690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 210268800

約数和(自身を除く): 129550110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 139, 195, 278, 390, 417, 695, 834, 1390, 1489, 1807, 2085, 2978, 3614, 4170, 4467, 5421, 7445, 8934, 9035, 10842, 14890, 18070, 19357, 22335, 27105, 38714, 44670, 54210, 58071, 96785, 116142, 193570, 206971, 290355, 413942, 580710, 620913, 1034855, 1241826, 2069710, 2690623, 3104565, 5381246, 6209130, 8071869, 13453115, 16143738, 26906230, 40359345, 80718690]

約数ペア:

[(1, 80718690), (2, 40359345), (3, 26906230), (5, 16143738), (6, 13453115), (10, 8071869), (13, 6209130), (15, 5381246), (26, 3104565), (30, 2690623), (39, 2069710), (65, 1241826), (78, 1034855), (130, 620913), (139, 580710), (195, 413942), (278, 290355), (390, 206971), (417, 193570), (695, 116142), (834, 96785), (1390, 58071), (1489, 54210), (1807, 44670), (2085, 38714), (2978, 27105), (3614, 22335), (4170, 19357), (4467, 18070), (5421, 14890), (7445, 10842), (8934, 9035)]