82905160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 214502400

約数和(自身を除く): 131597240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 74, 104, 124, 130, 139, 148, 155, 185, 248, 260, 278, 296, 310, 370, 403, 481, 520, 556, 620, 695, 740, 806, 962, 1112, 1147, 1240, 1390, 1480, 1612, 1807, 1924, 2015, 2294, 2405, 2780, 3224, 3614, 3848, 4030, 4309, 4588, 4810, 5143, 5560, 5735, 7228, 8060, 8618, 9035, 9176, 9620, 10286, 11470, 14456, 14911, 16120, 17236, 18070, 19240, 20572, 21545, 22940, 25715, 29822, 34472, 36140, 41144, 43090, 45880, 51430, 56017, 59644, 66859, 72280, 74555, 86180, 102860, 112034, 119288, 133718, 149110, 159433, 172360, 205720, 224068, 267436, 280085, 298220, 318866, 334295, 448136, 534872, 560170, 596440, 637732, 668590, 797165, 1120340, 1275464, 1337180, 1594330, 2072629, 2240680, 2674360, 3188660, 4145258, 6377320, 8290516, 10363145, 16581032, 20726290, 41452580, 82905160]

約数ペア:

[(1, 82905160), (2, 41452580), (4, 20726290), (5, 16581032), (8, 10363145), (10, 8290516), (13, 6377320), (20, 4145258), (26, 3188660), (31, 2674360), (37, 2240680), (40, 2072629), (52, 1594330), (62, 1337180), (65, 1275464), (74, 1120340), (104, 797165), (124, 668590), (130, 637732), (139, 596440), (148, 560170), (155, 534872), (185, 448136), (248, 334295), (260, 318866), (278, 298220), (296, 280085), (310, 267436), (370, 224068), (403, 205720), (481, 172360), (520, 159433), (556, 149110), (620, 133718), (695, 119288), (740, 112034), (806, 102860), (962, 86180), (1112, 74555), (1147, 72280), (1240, 66859), (1390, 59644), (1480, 56017), (1612, 51430), (1807, 45880), (1924, 43090), (2015, 41144), (2294, 36140), (2405, 34472), (2780, 29822), (3224, 25715), (3614, 22940), (3848, 21545), (4030, 20572), (4309, 19240), (4588, 18070), (4810, 17236), (5143, 16120), (5560, 14911), (5735, 14456), (7228, 11470), (8060, 10286), (8618, 9620), (9035, 9176)]