664400520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{263651}}^1$

素因数の和:263675

約数の個数: 96

約数和(自身を含む): 2467782720

約数和(自身を除く): 1803382200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 263651, 527302, 790953, 1054604, 1318255, 1581906, 1845557, 2109208, 2372859, 2636510, 3163812, 3691114, 3954765, 4745718, 5273020, 5536671, 6327624, 7382228, 7909530, 9227785, 9491436, 10546040, 11073342, 11864295, 14764456, 15819060, 16610013, 18455570, 18982872, 22146684, 23728590, 27683355, 31638120, 33220026, 36911140, 44293368, 47457180, 55366710, 66440052, 73822280, 83050065, 94914360, 110733420, 132880104, 166100130, 221466840, 332200260, 664400520]

約数ペア:

[(1, 664400520), (2, 332200260), (3, 221466840), (4, 166100130), (5, 132880104), (6, 110733420), (7, 94914360), (8, 83050065), (9, 73822280), (10, 66440052), (12, 55366710), (14, 47457180), (15, 44293368), (18, 36911140), (20, 33220026), (21, 31638120), (24, 27683355), (28, 23728590), (30, 22146684), (35, 18982872), (36, 18455570), (40, 16610013), (42, 15819060), (45, 14764456), (56, 11864295), (60, 11073342), (63, 10546040), (70, 9491436), (72, 9227785), (84, 7909530), (90, 7382228), (105, 6327624), (120, 5536671), (126, 5273020), (140, 4745718), (168, 3954765), (180, 3691114), (210, 3163812), (252, 2636510), (280, 2372859), (315, 2109208), (360, 1845557), (420, 1581906), (504, 1318255), (630, 1054604), (840, 790953), (1260, 527302), (2520, 263651)]