312753040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 747952128

約数和(自身を除く): 435199088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 223, 235, 373, 376, 446, 470, 746, 752, 892, 940, 1115, 1492, 1784, 1865, 1880, 2230, 2984, 3568, 3730, 3760, 4460, 5968, 7460, 8920, 10481, 14920, 17531, 17840, 20962, 29840, 35062, 41924, 52405, 70124, 83179, 83848, 87655, 104810, 140248, 166358, 167696, 175310, 209620, 280496, 332716, 350620, 415895, 419240, 665432, 701240, 831790, 838480, 1330864, 1402480, 1663580, 3327160, 3909413, 6654320, 7818826, 15637652, 19547065, 31275304, 39094130, 62550608, 78188260, 156376520, 312753040]

約数ペア:

[(1, 312753040), (2, 156376520), (4, 78188260), (5, 62550608), (8, 39094130), (10, 31275304), (16, 19547065), (20, 15637652), (40, 7818826), (47, 6654320), (80, 3909413), (94, 3327160), (188, 1663580), (223, 1402480), (235, 1330864), (373, 838480), (376, 831790), (446, 701240), (470, 665432), (746, 419240), (752, 415895), (892, 350620), (940, 332716), (1115, 280496), (1492, 209620), (1784, 175310), (1865, 167696), (1880, 166358), (2230, 140248), (2984, 104810), (3568, 87655), (3730, 83848), (3760, 83179), (4460, 70124), (5968, 52405), (7460, 41924), (8920, 35062), (10481, 29840), (14920, 20962), (17531, 17840)]