280013256

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{13457}}^1$

素因数の和:13503

約数の個数: 72

約数和(自身を含む): 805663170

約数和(自身を除く): 525649914

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1734, 2312, 2601, 3468, 5202, 6936, 10404, 13457, 20808, 26914, 40371, 53828, 80742, 107656, 121113, 161484, 228769, 242226, 322968, 457538, 484452, 686307, 915076, 968904, 1372614, 1830152, 2058921, 2745228, 3889073, 4117842, 5490456, 7778146, 8235684, 11667219, 15556292, 16471368, 23334438, 31112584, 35001657, 46668876, 70003314, 93337752, 140006628, 280013256]

約数ペア:

[(1, 280013256), (2, 140006628), (3, 93337752), (4, 70003314), (6, 46668876), (8, 35001657), (9, 31112584), (12, 23334438), (17, 16471368), (18, 15556292), (24, 11667219), (34, 8235684), (36, 7778146), (51, 5490456), (68, 4117842), (72, 3889073), (102, 2745228), (136, 2058921), (153, 1830152), (204, 1372614), (289, 968904), (306, 915076), (408, 686307), (578, 484452), (612, 457538), (867, 322968), (1156, 242226), (1224, 228769), (1734, 161484), (2312, 121113), (2601, 107656), (3468, 80742), (5202, 53828), (6936, 40371), (10404, 26914), (13457, 20808)]