21872480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 60238080

約数和(自身を除く): 38365600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 331, 413, 472, 560, 590, 662, 826, 944, 1120, 1180, 1324, 1652, 1655, 1888, 2065, 2317, 2360, 2648, 3304, 3310, 4130, 4634, 4720, 5296, 6608, 6620, 8260, 9268, 9440, 10592, 11585, 13216, 13240, 16520, 18536, 19529, 23170, 26480, 33040, 37072, 39058, 46340, 52960, 66080, 74144, 78116, 92680, 97645, 136703, 156232, 185360, 195290, 273406, 312464, 370720, 390580, 546812, 624928, 683515, 781160, 1093624, 1367030, 1562320, 2187248, 2734060, 3124640, 4374496, 5468120, 10936240, 21872480]

約数ペア:

[(1, 21872480), (2, 10936240), (4, 5468120), (5, 4374496), (7, 3124640), (8, 2734060), (10, 2187248), (14, 1562320), (16, 1367030), (20, 1093624), (28, 781160), (32, 683515), (35, 624928), (40, 546812), (56, 390580), (59, 370720), (70, 312464), (80, 273406), (112, 195290), (118, 185360), (140, 156232), (160, 136703), (224, 97645), (236, 92680), (280, 78116), (295, 74144), (331, 66080), (413, 52960), (472, 46340), (560, 39058), (590, 37072), (662, 33040), (826, 26480), (944, 23170), (1120, 19529), (1180, 18536), (1324, 16520), (1652, 13240), (1655, 13216), (1888, 11585), (2065, 10592), (2317, 9440), (2360, 9268), (2648, 8260), (3304, 6620), (3310, 6608), (4130, 5296), (4634, 4720)]