128795680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3306

約数の個数: 96

約数和(自身を含む): 345038400

約数和(自身を除く): 216242720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3259, 3952, 4940, 6518, 7904, 9880, 13036, 16295, 19760, 26072, 32590, 39520, 42367, 52144, 61921, 65180, 84734, 104288, 123842, 130360, 169468, 211835, 247684, 260720, 309605, 338936, 423670, 495368, 521440, 619210, 677872, 804973, 847340, 990736, 1238420, 1355744, 1609946, 1694680, 1981472, 2476840, 3219892, 3389360, 4024865, 4953680, 6439784, 6778720, 8049730, 9907360, 12879568, 16099460, 25759136, 32198920, 64397840, 128795680]

約数ペア:

[(1, 128795680), (2, 64397840), (4, 32198920), (5, 25759136), (8, 16099460), (10, 12879568), (13, 9907360), (16, 8049730), (19, 6778720), (20, 6439784), (26, 4953680), (32, 4024865), (38, 3389360), (40, 3219892), (52, 2476840), (65, 1981472), (76, 1694680), (80, 1609946), (95, 1355744), (104, 1238420), (130, 990736), (152, 847340), (160, 804973), (190, 677872), (208, 619210), (247, 521440), (260, 495368), (304, 423670), (380, 338936), (416, 309605), (494, 260720), (520, 247684), (608, 211835), (760, 169468), (988, 130360), (1040, 123842), (1235, 104288), (1520, 84734), (1976, 65180), (2080, 61921), (2470, 52144), (3040, 42367), (3259, 39520), (3952, 32590), (4940, 26072), (6518, 19760), (7904, 16295), (9880, 13036)]