148915280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 359601984

約数和(自身を除く): 210686704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 328, 332, 410, 415, 547, 656, 664, 820, 830, 1094, 1328, 1640, 1660, 2188, 2735, 3280, 3320, 3403, 4376, 5470, 6640, 6806, 8752, 10940, 13612, 17015, 21880, 22427, 27224, 34030, 43760, 44854, 45401, 54448, 68060, 89708, 90802, 112135, 136120, 179416, 181604, 224270, 227005, 272240, 358832, 363208, 448540, 454010, 726416, 897080, 908020, 1794160, 1816040, 1861441, 3632080, 3722882, 7445764, 9307205, 14891528, 18614410, 29783056, 37228820, 74457640, 148915280]

約数ペア:

[(1, 148915280), (2, 74457640), (4, 37228820), (5, 29783056), (8, 18614410), (10, 14891528), (16, 9307205), (20, 7445764), (40, 3722882), (41, 3632080), (80, 1861441), (82, 1816040), (83, 1794160), (164, 908020), (166, 897080), (205, 726416), (328, 454010), (332, 448540), (410, 363208), (415, 358832), (547, 272240), (656, 227005), (664, 224270), (820, 181604), (830, 179416), (1094, 136120), (1328, 112135), (1640, 90802), (1660, 89708), (2188, 68060), (2735, 54448), (3280, 45401), (3320, 44854), (3403, 43760), (4376, 34030), (5470, 27224), (6640, 22427), (6806, 21880), (8752, 17015), (10940, 13612)]