176802640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 472112640

約数和(自身を除く): 295310000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1195, 1321, 1673, 1912, 2390, 2642, 3346, 3824, 4780, 5284, 6605, 6692, 8365, 9247, 9560, 10568, 13210, 13384, 16730, 18494, 19120, 21136, 26420, 26768, 33460, 36988, 46235, 52840, 66920, 73976, 92470, 105680, 133840, 147952, 184940, 315719, 369880, 631438, 739760, 1262876, 1578595, 2210033, 2525752, 3157190, 4420066, 5051504, 6314380, 8840132, 11050165, 12628760, 17680264, 22100330, 25257520, 35360528, 44200660, 88401320, 176802640]

約数ペア:

[(1, 176802640), (2, 88401320), (4, 44200660), (5, 35360528), (7, 25257520), (8, 22100330), (10, 17680264), (14, 12628760), (16, 11050165), (20, 8840132), (28, 6314380), (35, 5051504), (40, 4420066), (56, 3157190), (70, 2525752), (80, 2210033), (112, 1578595), (140, 1262876), (239, 739760), (280, 631438), (478, 369880), (560, 315719), (956, 184940), (1195, 147952), (1321, 133840), (1673, 105680), (1912, 92470), (2390, 73976), (2642, 66920), (3346, 52840), (3824, 46235), (4780, 36988), (5284, 33460), (6605, 26768), (6692, 26420), (8365, 21136), (9247, 19120), (9560, 18494), (10568, 16730), (13210, 13384)]