128196720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:959

約数の個数: 120

約数和(自身を含む): 432802656

約数和(自身を除く): 304605936

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, 263, 360, 526, 677, 720, 789, 1052, 1315, 1354, 1578, 2031, 2104, 2367, 2630, 2708, 3156, 3385, 3945, 4062, 4208, 4734, 5260, 5416, 6093, 6312, 6770, 7890, 8124, 9468, 10155, 10520, 10832, 11835, 12186, 12624, 13540, 15780, 16248, 18936, 20310, 21040, 23670, 24372, 27080, 30465, 31560, 32496, 37872, 40620, 47340, 48744, 54160, 60930, 63120, 81240, 94680, 97488, 121860, 162480, 178051, 189360, 243720, 356102, 487440, 534153, 712204, 890255, 1068306, 1424408, 1602459, 1780510, 2136612, 2670765, 2848816, 3204918, 3561020, 4273224, 5341530, 6409836, 7122040, 8012295, 8546448, 10683060, 12819672, 14244080, 16024590, 21366120, 25639344, 32049180, 42732240, 64098360, 128196720]

約数ペア:

[(1, 128196720), (2, 64098360), (3, 42732240), (4, 32049180), (5, 25639344), (6, 21366120), (8, 16024590), (9, 14244080), (10, 12819672), (12, 10683060), (15, 8546448), (16, 8012295), (18, 7122040), (20, 6409836), (24, 5341530), (30, 4273224), (36, 3561020), (40, 3204918), (45, 2848816), (48, 2670765), (60, 2136612), (72, 1780510), (80, 1602459), (90, 1424408), (120, 1068306), (144, 890255), (180, 712204), (240, 534153), (263, 487440), (360, 356102), (526, 243720), (677, 189360), (720, 178051), (789, 162480), (1052, 121860), (1315, 97488), (1354, 94680), (1578, 81240), (2031, 63120), (2104, 60930), (2367, 54160), (2630, 48744), (2708, 47340), (3156, 40620), (3385, 37872), (3945, 32496), (4062, 31560), (4208, 30465), (4734, 27080), (5260, 24372), (5416, 23670), (6093, 21040), (6312, 20310), (6770, 18936), (7890, 16248), (8124, 15780), (9468, 13540), (10155, 12624), (10520, 12186), (10832, 11835)]