128388240

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19813}}^1$

素因数の和:19838

約数の個数: 100

約数和(自身を含む): 445933884

約数和(自身を除く): 317545644

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19813, 39626, 59439, 79252, 99065, 118878, 158504, 178317, 198130, 237756, 297195, 317008, 356634, 396260, 475512, 534951, 594390, 713268, 792520, 891585, 951024, 1069902, 1188780, 1426536, 1585040, 1604853, 1783170, 2139804, 2377560, 2674755, 2853072, 3209706, 3566340, 4279608, 4755120, 5349510, 6419412, 7132680, 8024265, 8559216, 10699020, 12838824, 14265360, 16048530, 21398040, 25677648, 32097060, 42796080, 64194120, 128388240]

約数ペア:

[(1, 128388240), (2, 64194120), (3, 42796080), (4, 32097060), (5, 25677648), (6, 21398040), (8, 16048530), (9, 14265360), (10, 12838824), (12, 10699020), (15, 8559216), (16, 8024265), (18, 7132680), (20, 6419412), (24, 5349510), (27, 4755120), (30, 4279608), (36, 3566340), (40, 3209706), (45, 2853072), (48, 2674755), (54, 2377560), (60, 2139804), (72, 1783170), (80, 1604853), (81, 1585040), (90, 1426536), (108, 1188780), (120, 1069902), (135, 951024), (144, 891585), (162, 792520), (180, 713268), (216, 594390), (240, 534951), (270, 475512), (324, 396260), (360, 356634), (405, 317008), (432, 297195), (540, 237756), (648, 198130), (720, 178317), (810, 158504), (1080, 118878), (1296, 99065), (1620, 79252), (2160, 59439), (3240, 39626), (6480, 19813)]