152800520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 351786240

約数和(自身を除く): 198985720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 311, 346, 355, 568, 622, 692, 710, 865, 1244, 1384, 1420, 1555, 1730, 2488, 2840, 3110, 3460, 6220, 6920, 12283, 12440, 22081, 24566, 44162, 49132, 53803, 61415, 88324, 98264, 107606, 110405, 122830, 176648, 215212, 220810, 245660, 269015, 430424, 441620, 491320, 538030, 883240, 1076060, 2152120, 3820013, 7640026, 15280052, 19100065, 30560104, 38200130, 76400260, 152800520]

約数ペア:

[(1, 152800520), (2, 76400260), (4, 38200130), (5, 30560104), (8, 19100065), (10, 15280052), (20, 7640026), (40, 3820013), (71, 2152120), (142, 1076060), (173, 883240), (284, 538030), (311, 491320), (346, 441620), (355, 430424), (568, 269015), (622, 245660), (692, 220810), (710, 215212), (865, 176648), (1244, 122830), (1384, 110405), (1420, 107606), (1555, 98264), (1730, 88324), (2488, 61415), (2840, 53803), (3110, 49132), (3460, 44162), (6220, 24566), (6920, 22081), (12283, 12440)]