2491280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 6696000

約数和(自身を除く): 4204720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 149, 152, 176, 190, 209, 220, 298, 304, 380, 418, 440, 596, 745, 760, 836, 880, 1045, 1192, 1490, 1520, 1639, 1672, 2090, 2384, 2831, 2980, 3278, 3344, 4180, 5662, 5960, 6556, 8195, 8360, 11324, 11920, 13112, 14155, 16390, 16720, 22648, 26224, 28310, 31141, 32780, 45296, 56620, 62282, 65560, 113240, 124564, 131120, 155705, 226480, 249128, 311410, 498256, 622820, 1245640, 2491280]

約数ペア:

[(1, 2491280), (2, 1245640), (4, 622820), (5, 498256), (8, 311410), (10, 249128), (11, 226480), (16, 155705), (19, 131120), (20, 124564), (22, 113240), (38, 65560), (40, 62282), (44, 56620), (55, 45296), (76, 32780), (80, 31141), (88, 28310), (95, 26224), (110, 22648), (149, 16720), (152, 16390), (176, 14155), (190, 13112), (209, 11920), (220, 11324), (298, 8360), (304, 8195), (380, 6556), (418, 5960), (440, 5662), (596, 4180), (745, 3344), (760, 3278), (836, 2980), (880, 2831), (1045, 2384), (1192, 2090), (1490, 1672), (1520, 1639)]