278328240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{677}}^1$

素因数の和:1267

約数の個数: 120

約数和(自身を含む): 937739088

約数和(自身を除く): 659410848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 571, 677, 720, 1142, 1354, 1713, 2031, 2284, 2708, 2855, 3385, 3426, 4062, 4568, 5139, 5416, 5710, 6093, 6770, 6852, 8124, 8565, 9136, 10155, 10278, 10832, 11420, 12186, 13540, 13704, 16248, 17130, 20310, 20556, 22840, 24372, 25695, 27080, 27408, 30465, 32496, 34260, 40620, 41112, 45680, 48744, 51390, 54160, 60930, 68520, 81240, 82224, 97488, 102780, 121860, 137040, 162480, 205560, 243720, 386567, 411120, 487440, 773134, 1159701, 1546268, 1932835, 2319402, 3092536, 3479103, 3865670, 4638804, 5798505, 6185072, 6958206, 7731340, 9277608, 11597010, 13916412, 15462680, 17395515, 18555216, 23194020, 27832824, 30925360, 34791030, 46388040, 55665648, 69582060, 92776080, 139164120, 278328240]

約数ペア:

[(1, 278328240), (2, 139164120), (3, 92776080), (4, 69582060), (5, 55665648), (6, 46388040), (8, 34791030), (9, 30925360), (10, 27832824), (12, 23194020), (15, 18555216), (16, 17395515), (18, 15462680), (20, 13916412), (24, 11597010), (30, 9277608), (36, 7731340), (40, 6958206), (45, 6185072), (48, 5798505), (60, 4638804), (72, 3865670), (80, 3479103), (90, 3092536), (120, 2319402), (144, 1932835), (180, 1546268), (240, 1159701), (360, 773134), (571, 487440), (677, 411120), (720, 386567), (1142, 243720), (1354, 205560), (1713, 162480), (2031, 137040), (2284, 121860), (2708, 102780), (2855, 97488), (3385, 82224), (3426, 81240), (4062, 68520), (4568, 60930), (5139, 54160), (5416, 51390), (5710, 48744), (6093, 45680), (6770, 41112), (6852, 40620), (8124, 34260), (8565, 32496), (9136, 30465), (10155, 27408), (10278, 27080), (10832, 25695), (11420, 24372), (12186, 22840), (13540, 20556), (13704, 20310), (16248, 17130)]