1587680240

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2350

約数の個数: 80

約数和(自身を含む): 3775175040

約数和(自身を除く): 2187494800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 139, 268, 278, 335, 536, 556, 670, 695, 1072, 1112, 1340, 1390, 2131, 2224, 2680, 2780, 4262, 5360, 5560, 8524, 9313, 10655, 11120, 17048, 18626, 21310, 34096, 37252, 42620, 46565, 74504, 85240, 93130, 142777, 149008, 170480, 186260, 285554, 296209, 372520, 571108, 592418, 713885, 745040, 1142216, 1184836, 1427770, 1481045, 2284432, 2369672, 2855540, 2962090, 4739344, 5711080, 5924180, 11422160, 11848360, 19846003, 23696720, 39692006, 79384012, 99230015, 158768024, 198460030, 317536048, 396920060, 793840120, 1587680240]

約数ペア:

[(1, 1587680240), (2, 793840120), (4, 396920060), (5, 317536048), (8, 198460030), (10, 158768024), (16, 99230015), (20, 79384012), (40, 39692006), (67, 23696720), (80, 19846003), (134, 11848360), (139, 11422160), (268, 5924180), (278, 5711080), (335, 4739344), (536, 2962090), (556, 2855540), (670, 2369672), (695, 2284432), (1072, 1481045), (1112, 1427770), (1340, 1184836), (1390, 1142216), (2131, 745040), (2224, 713885), (2680, 592418), (2780, 571108), (4262, 372520), (5360, 296209), (5560, 285554), (8524, 186260), (9313, 170480), (10655, 149008), (11120, 142777), (17048, 93130), (18626, 85240), (21310, 74504), (34096, 46565), (37252, 42620)]