145965280

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6659}}^1$

素因数の和:6811

約数の個数: 48

約数和(自身を含む): 347412240

約数和(自身を除く): 201446960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 6659, 10960, 13318, 21920, 26636, 33295, 53272, 66590, 106544, 133180, 213088, 266360, 532720, 912283, 1065440, 1824566, 3649132, 4561415, 7298264, 9122830, 14596528, 18245660, 29193056, 36491320, 72982640, 145965280]

約数ペア:

[(1, 145965280), (2, 72982640), (4, 36491320), (5, 29193056), (8, 18245660), (10, 14596528), (16, 9122830), (20, 7298264), (32, 4561415), (40, 3649132), (80, 1824566), (137, 1065440), (160, 912283), (274, 532720), (548, 266360), (685, 213088), (1096, 133180), (1370, 106544), (2192, 66590), (2740, 53272), (4384, 33295), (5480, 26636), (6659, 21920), (10960, 13318)]