172866720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 144

約数和(自身を含む): 589915872

約数和(自身を除く): 417049152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2131, 2535, 2704, 3120, 3380, 4056, 4262, 5070, 5408, 6240, 6393, 6760, 8112, 8524, 10140, 10655, 12786, 13520, 16224, 17048, 20280, 21310, 25572, 27040, 27703, 31965, 34096, 40560, 42620, 51144, 55406, 63930, 68192, 81120, 83109, 85240, 102288, 110812, 127860, 138515, 166218, 170480, 204576, 221624, 255720, 277030, 332436, 340960, 360139, 415545, 443248, 511440, 554060, 664872, 720278, 831090, 886496, 1022880, 1080417, 1108120, 1329744, 1440556, 1662180, 1800695, 2160834, 2216240, 2659488, 2881112, 3324360, 3601390, 4321668, 4432480, 5402085, 5762224, 6648720, 7202780, 8643336, 10804170, 11524448, 13297440, 14405560, 17286672, 21608340, 28811120, 34573344, 43216680, 57622240, 86433360, 172866720]

約数ペア:

[(1, 172866720), (2, 86433360), (3, 57622240), (4, 43216680), (5, 34573344), (6, 28811120), (8, 21608340), (10, 17286672), (12, 14405560), (13, 13297440), (15, 11524448), (16, 10804170), (20, 8643336), (24, 7202780), (26, 6648720), (30, 5762224), (32, 5402085), (39, 4432480), (40, 4321668), (48, 3601390), (52, 3324360), (60, 2881112), (65, 2659488), (78, 2216240), (80, 2160834), (96, 1800695), (104, 1662180), (120, 1440556), (130, 1329744), (156, 1108120), (160, 1080417), (169, 1022880), (195, 886496), (208, 831090), (240, 720278), (260, 664872), (312, 554060), (338, 511440), (390, 443248), (416, 415545), (480, 360139), (507, 340960), (520, 332436), (624, 277030), (676, 255720), (780, 221624), (845, 204576), (1014, 170480), (1040, 166218), (1248, 138515), (1352, 127860), (1560, 110812), (1690, 102288), (2028, 85240), (2080, 83109), (2131, 81120), (2535, 68192), (2704, 63930), (3120, 55406), (3380, 51144), (4056, 42620), (4262, 40560), (5070, 34096), (5408, 31965), (6240, 27703), (6393, 27040), (6760, 25572), (8112, 21310), (8524, 20280), (10140, 17048), (10655, 16224), (12786, 13520)]