171716440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 463749120

約数和(自身を除く): 292032680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 271, 280, 292, 310, 365, 434, 511, 542, 584, 620, 730, 868, 1022, 1084, 1085, 1240, 1355, 1460, 1736, 1897, 2044, 2168, 2170, 2263, 2555, 2710, 2920, 3794, 4088, 4340, 4526, 5110, 5420, 7588, 8401, 8680, 9052, 9485, 10220, 10840, 11315, 15176, 15841, 16802, 18104, 18970, 19783, 20440, 22630, 31682, 33604, 37940, 39566, 42005, 45260, 58807, 63364, 67208, 75880, 79132, 79205, 84010, 90520, 98915, 117614, 126728, 138481, 158264, 158410, 168020, 197830, 235228, 276962, 294035, 316820, 336040, 395660, 470456, 553924, 588070, 613273, 633640, 692405, 791320, 1107848, 1176140, 1226546, 1384810, 2352280, 2453092, 2769620, 3066365, 4292911, 4906184, 5539240, 6132730, 8585822, 12265460, 17171644, 21464555, 24530920, 34343288, 42929110, 85858220, 171716440]

約数ペア:

[(1, 171716440), (2, 85858220), (4, 42929110), (5, 34343288), (7, 24530920), (8, 21464555), (10, 17171644), (14, 12265460), (20, 8585822), (28, 6132730), (31, 5539240), (35, 4906184), (40, 4292911), (56, 3066365), (62, 2769620), (70, 2453092), (73, 2352280), (124, 1384810), (140, 1226546), (146, 1176140), (155, 1107848), (217, 791320), (248, 692405), (271, 633640), (280, 613273), (292, 588070), (310, 553924), (365, 470456), (434, 395660), (511, 336040), (542, 316820), (584, 294035), (620, 276962), (730, 235228), (868, 197830), (1022, 168020), (1084, 158410), (1085, 158264), (1240, 138481), (1355, 126728), (1460, 117614), (1736, 98915), (1897, 90520), (2044, 84010), (2168, 79205), (2170, 79132), (2263, 75880), (2555, 67208), (2710, 63364), (2920, 58807), (3794, 45260), (4088, 42005), (4340, 39566), (4526, 37940), (5110, 33604), (5420, 31682), (7588, 22630), (8401, 20440), (8680, 19783), (9052, 18970), (9485, 18104), (10220, 16802), (10840, 15841), (11315, 15176)]