1641468720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{20663}}^1$

素因数の和:21010

約数の個数: 80

約数和(自身を含む): 5104173312

約数和(自身を除く): 3462704592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 5296, 6620, 7944, 9930, 13240, 15888, 19860, 20663, 26480, 39720, 41326, 61989, 79440, 82652, 103315, 123978, 165304, 206630, 247956, 309945, 330608, 413260, 495912, 619890, 826520, 991824, 1239780, 1653040, 2479560, 4959120, 6839453, 13678906, 20518359, 27357812, 34197265, 41036718, 54715624, 68394530, 82073436, 102591795, 109431248, 136789060, 164146872, 205183590, 273578120, 328293744, 410367180, 547156240, 820734360, 1641468720]

約数ペア:

[(1, 1641468720), (2, 820734360), (3, 547156240), (4, 410367180), (5, 328293744), (6, 273578120), (8, 205183590), (10, 164146872), (12, 136789060), (15, 109431248), (16, 102591795), (20, 82073436), (24, 68394530), (30, 54715624), (40, 41036718), (48, 34197265), (60, 27357812), (80, 20518359), (120, 13678906), (240, 6839453), (331, 4959120), (662, 2479560), (993, 1653040), (1324, 1239780), (1655, 991824), (1986, 826520), (2648, 619890), (3310, 495912), (3972, 413260), (4965, 330608), (5296, 309945), (6620, 247956), (7944, 206630), (9930, 165304), (13240, 123978), (15888, 103315), (19860, 82652), (20663, 79440), (26480, 61989), (39720, 41326)]