165721780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 424569600

約数和(自身を除く): 258847820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 179, 238, 340, 358, 389, 476, 595, 716, 778, 895, 1190, 1253, 1556, 1790, 1945, 2380, 2506, 2723, 3043, 3580, 3890, 5012, 5446, 6086, 6265, 6613, 7780, 10892, 12172, 12530, 13226, 13615, 15215, 21301, 25060, 26452, 27230, 30430, 33065, 42602, 46291, 54460, 60860, 66130, 69631, 85204, 92582, 106505, 132260, 139262, 185164, 213010, 231455, 278524, 348155, 426020, 462910, 487417, 696310, 925820, 974834, 1183727, 1392620, 1949668, 2367454, 2437085, 4734908, 4874170, 5918635, 8286089, 9748340, 11837270, 16572178, 23674540, 33144356, 41430445, 82860890, 165721780]

約数ペア:

[(1, 165721780), (2, 82860890), (4, 41430445), (5, 33144356), (7, 23674540), (10, 16572178), (14, 11837270), (17, 9748340), (20, 8286089), (28, 5918635), (34, 4874170), (35, 4734908), (68, 2437085), (70, 2367454), (85, 1949668), (119, 1392620), (140, 1183727), (170, 974834), (179, 925820), (238, 696310), (340, 487417), (358, 462910), (389, 426020), (476, 348155), (595, 278524), (716, 231455), (778, 213010), (895, 185164), (1190, 139262), (1253, 132260), (1556, 106505), (1790, 92582), (1945, 85204), (2380, 69631), (2506, 66130), (2723, 60860), (3043, 54460), (3580, 46291), (3890, 42602), (5012, 33065), (5446, 30430), (6086, 27230), (6265, 26452), (6613, 25060), (7780, 21301), (10892, 15215), (12172, 13615), (12530, 13226)]