72425680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 103063088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 284, 311, 328, 355, 410, 568, 622, 656, 710, 820, 1136, 1244, 1420, 1555, 1640, 2488, 2840, 2911, 3110, 3280, 4976, 5680, 5822, 6220, 11644, 12440, 12751, 14555, 22081, 23288, 24880, 25502, 29110, 44162, 46576, 51004, 58220, 63755, 88324, 102008, 110405, 116440, 127510, 176648, 204016, 220810, 232880, 255020, 353296, 441620, 510040, 883240, 905321, 1020080, 1766480, 1810642, 3621284, 4526605, 7242568, 9053210, 14485136, 18106420, 36212840, 72425680]

約数ペア:

[(1, 72425680), (2, 36212840), (4, 18106420), (5, 14485136), (8, 9053210), (10, 7242568), (16, 4526605), (20, 3621284), (40, 1810642), (41, 1766480), (71, 1020080), (80, 905321), (82, 883240), (142, 510040), (164, 441620), (205, 353296), (284, 255020), (311, 232880), (328, 220810), (355, 204016), (410, 176648), (568, 127510), (622, 116440), (656, 110405), (710, 102008), (820, 88324), (1136, 63755), (1244, 58220), (1420, 51004), (1555, 46576), (1640, 44162), (2488, 29110), (2840, 25502), (2911, 24880), (3110, 23288), (3280, 22081), (4976, 14555), (5680, 12751), (5822, 12440), (6220, 11644)]