178207960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2663}}^1$

素因数の和:2920

約数の個数: 64

約数和(自身を含む): 460339200

約数和(自身を除く): 282131240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 2663, 3346, 4780, 5326, 6692, 8365, 9560, 10652, 13315, 13384, 16730, 18641, 21304, 26630, 33460, 37282, 53260, 66920, 74564, 93205, 106520, 149128, 186410, 372820, 636457, 745640, 1272914, 2545828, 3182285, 4455199, 5091656, 6364570, 8910398, 12729140, 17820796, 22275995, 25458280, 35641592, 44551990, 89103980, 178207960]

約数ペア:

[(1, 178207960), (2, 89103980), (4, 44551990), (5, 35641592), (7, 25458280), (8, 22275995), (10, 17820796), (14, 12729140), (20, 8910398), (28, 6364570), (35, 5091656), (40, 4455199), (56, 3182285), (70, 2545828), (140, 1272914), (239, 745640), (280, 636457), (478, 372820), (956, 186410), (1195, 149128), (1673, 106520), (1912, 93205), (2390, 74564), (2663, 66920), (3346, 53260), (4780, 37282), (5326, 33460), (6692, 26630), (8365, 21304), (9560, 18641), (10652, 16730), (13315, 13384)]