157212040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 364739760

約数和(自身を除く): 207527720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 257, 328, 373, 410, 514, 746, 820, 1028, 1285, 1492, 1640, 1865, 2056, 2570, 2984, 3730, 5140, 7460, 10280, 10537, 14920, 15293, 21074, 30586, 42148, 52685, 61172, 76465, 84296, 95861, 105370, 122344, 152930, 191722, 210740, 305860, 383444, 421480, 479305, 611720, 766888, 958610, 1917220, 3834440, 3930301, 7860602, 15721204, 19651505, 31442408, 39303010, 78606020, 157212040]

約数ペア:

[(1, 157212040), (2, 78606020), (4, 39303010), (5, 31442408), (8, 19651505), (10, 15721204), (20, 7860602), (40, 3930301), (41, 3834440), (82, 1917220), (164, 958610), (205, 766888), (257, 611720), (328, 479305), (373, 421480), (410, 383444), (514, 305860), (746, 210740), (820, 191722), (1028, 152930), (1285, 122344), (1492, 105370), (1640, 95861), (1865, 84296), (2056, 76465), (2570, 61172), (2984, 52685), (3730, 42148), (5140, 30586), (7460, 21074), (10280, 15293), (10537, 14920)]