73763920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 180113472

約数和(自身を除く): 106349552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 523, 656, 688, 820, 860, 1046, 1640, 1720, 1763, 2092, 2615, 3280, 3440, 3526, 4184, 5230, 7052, 8368, 8815, 10460, 14104, 17630, 20920, 21443, 22489, 28208, 35260, 41840, 42886, 44978, 70520, 85772, 89956, 107215, 112445, 141040, 171544, 179912, 214430, 224890, 343088, 359824, 428860, 449780, 857720, 899560, 922049, 1715440, 1799120, 1844098, 3688196, 4610245, 7376392, 9220490, 14752784, 18440980, 36881960, 73763920]

約数ペア:

[(1, 73763920), (2, 36881960), (4, 18440980), (5, 14752784), (8, 9220490), (10, 7376392), (16, 4610245), (20, 3688196), (40, 1844098), (41, 1799120), (43, 1715440), (80, 922049), (82, 899560), (86, 857720), (164, 449780), (172, 428860), (205, 359824), (215, 343088), (328, 224890), (344, 214430), (410, 179912), (430, 171544), (523, 141040), (656, 112445), (688, 107215), (820, 89956), (860, 85772), (1046, 70520), (1640, 44978), (1720, 42886), (1763, 41840), (2092, 35260), (2615, 28208), (3280, 22489), (3440, 21443), (3526, 20920), (4184, 17630), (5230, 14104), (7052, 10460), (8368, 8815)]