181380451720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1\times {\mathrm{3037}}^1$

素因数の和:5775

約数の個数: 128

約数和(自身を含む): 450036195840

約数和(自身を除く): 268655744120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2671, 2795, 3037, 4472, 5342, 5590, 6074, 10684, 11180, 12148, 13355, 15185, 21368, 22360, 24296, 26710, 30370, 34723, 39481, 53420, 60740, 69446, 78962, 106840, 114853, 121480, 130591, 138892, 157924, 173615, 197405, 229706, 261182, 277784, 315848, 347230, 394810, 459412, 522364, 574265, 652955, 694460, 789620, 918824, 1044728, 1148530, 1305910, 1388920, 1493089, 1579240, 1697683, 2297060, 2611820, 2986178, 3395366, 4594120, 5223640, 5972356, 6790732, 7465445, 8111827, 8488415, 11944712, 13581464, 14930890, 16223654, 16976830, 29861780, 32447308, 33953660, 40559135, 59723560, 64894616, 67907320, 81118270, 105453751, 162236540, 210907502, 324473080, 348808561, 421815004, 527268755, 697617122, 843630008, 1054537510, 1395234244, 1744042805, 2109075020, 2790468488, 3488085610, 4218150040, 4534511293, 6976171220, 9069022586, 13952342440, 18138045172, 22672556465, 36276090344, 45345112930, 90690225860, 181380451720]

約数ペア:

[(1, 181380451720), (2, 90690225860), (4, 45345112930), (5, 36276090344), (8, 22672556465), (10, 18138045172), (13, 13952342440), (20, 9069022586), (26, 6976171220), (40, 4534511293), (43, 4218150040), (52, 3488085610), (65, 2790468488), (86, 2109075020), (104, 1744042805), (130, 1395234244), (172, 1054537510), (215, 843630008), (260, 697617122), (344, 527268755), (430, 421815004), (520, 348808561), (559, 324473080), (860, 210907502), (1118, 162236540), (1720, 105453751), (2236, 81118270), (2671, 67907320), (2795, 64894616), (3037, 59723560), (4472, 40559135), (5342, 33953660), (5590, 32447308), (6074, 29861780), (10684, 16976830), (11180, 16223654), (12148, 14930890), (13355, 13581464), (15185, 11944712), (21368, 8488415), (22360, 8111827), (24296, 7465445), (26710, 6790732), (30370, 5972356), (34723, 5223640), (39481, 4594120), (53420, 3395366), (60740, 2986178), (69446, 2611820), (78962, 2297060), (106840, 1697683), (114853, 1579240), (121480, 1493089), (130591, 1388920), (138892, 1305910), (157924, 1148530), (173615, 1044728), (197405, 918824), (229706, 789620), (261182, 694460), (277784, 652955), (315848, 574265), (347230, 522364), (394810, 459412)]