80473640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 206236800

約数和(自身を除く): 125763160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 59, 61, 65, 86, 104, 118, 122, 130, 172, 215, 236, 244, 260, 295, 305, 344, 430, 472, 488, 520, 559, 590, 610, 767, 793, 860, 1118, 1180, 1220, 1534, 1586, 1720, 2236, 2360, 2440, 2537, 2623, 2795, 3068, 3172, 3599, 3835, 3965, 4472, 5074, 5246, 5590, 6136, 6344, 7198, 7670, 7930, 10148, 10492, 11180, 12685, 13115, 14396, 15340, 15860, 17995, 20296, 20984, 22360, 25370, 26230, 28792, 30680, 31720, 32981, 34099, 35990, 46787, 50740, 52460, 65962, 68198, 71980, 93574, 101480, 104920, 131924, 136396, 143960, 154757, 164905, 170495, 187148, 233935, 263848, 272792, 309514, 329810, 340990, 374296, 467870, 619028, 659620, 681980, 773785, 935740, 1238056, 1319240, 1363960, 1547570, 1871480, 2011841, 3095140, 4023682, 6190280, 8047364, 10059205, 16094728, 20118410, 40236820, 80473640]

約数ペア:

[(1, 80473640), (2, 40236820), (4, 20118410), (5, 16094728), (8, 10059205), (10, 8047364), (13, 6190280), (20, 4023682), (26, 3095140), (40, 2011841), (43, 1871480), (52, 1547570), (59, 1363960), (61, 1319240), (65, 1238056), (86, 935740), (104, 773785), (118, 681980), (122, 659620), (130, 619028), (172, 467870), (215, 374296), (236, 340990), (244, 329810), (260, 309514), (295, 272792), (305, 263848), (344, 233935), (430, 187148), (472, 170495), (488, 164905), (520, 154757), (559, 143960), (590, 136396), (610, 131924), (767, 104920), (793, 101480), (860, 93574), (1118, 71980), (1180, 68198), (1220, 65962), (1534, 52460), (1586, 50740), (1720, 46787), (2236, 35990), (2360, 34099), (2440, 32981), (2537, 31720), (2623, 30680), (2795, 28792), (3068, 26230), (3172, 25370), (3599, 22360), (3835, 20984), (3965, 20296), (4472, 17995), (5074, 15860), (5246, 15340), (5590, 14396), (6136, 13115), (6344, 12685), (7198, 11180), (7670, 10492), (7930, 10148)]