123784080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73681}}^1$

素因数の和:73704

約数の個数: 80

約数和(自身を含む): 438555264

約数和(自身を除く): 314771184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 73681, 147362, 221043, 294724, 368405, 442086, 515767, 589448, 736810, 884172, 1031534, 1105215, 1178896, 1473620, 1547301, 1768344, 2063068, 2210430, 2578835, 2947240, 3094602, 3536688, 4126136, 4420860, 5157670, 5894480, 6189204, 7736505, 8252272, 8841720, 10315340, 12378408, 15473010, 17683440, 20630680, 24756816, 30946020, 41261360, 61892040, 123784080]

約数ペア:

[(1, 123784080), (2, 61892040), (3, 41261360), (4, 30946020), (5, 24756816), (6, 20630680), (7, 17683440), (8, 15473010), (10, 12378408), (12, 10315340), (14, 8841720), (15, 8252272), (16, 7736505), (20, 6189204), (21, 5894480), (24, 5157670), (28, 4420860), (30, 4126136), (35, 3536688), (40, 3094602), (42, 2947240), (48, 2578835), (56, 2210430), (60, 2063068), (70, 1768344), (80, 1547301), (84, 1473620), (105, 1178896), (112, 1105215), (120, 1031534), (140, 884172), (168, 736810), (210, 589448), (240, 515767), (280, 442086), (336, 368405), (420, 294724), (560, 221043), (840, 147362), (1680, 73681)]