128481840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178447}}^1$

素因数の和:178466

約数の個数: 60

約数和(自身を含む): 431487264

約数和(自身を除く): 303005424

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, 720, 178447, 356894, 535341, 713788, 892235, 1070682, 1427576, 1606023, 1784470, 2141364, 2676705, 2855152, 3212046, 3568940, 4282728, 5353410, 6424092, 7137880, 8030115, 8565456, 10706820, 12848184, 14275760, 16060230, 21413640, 25696368, 32120460, 42827280, 64240920, 128481840]

約数ペア:

[(1, 128481840), (2, 64240920), (3, 42827280), (4, 32120460), (5, 25696368), (6, 21413640), (8, 16060230), (9, 14275760), (10, 12848184), (12, 10706820), (15, 8565456), (16, 8030115), (18, 7137880), (20, 6424092), (24, 5353410), (30, 4282728), (36, 3568940), (40, 3212046), (45, 2855152), (48, 2676705), (60, 2141364), (72, 1784470), (80, 1606023), (90, 1427576), (120, 1070682), (144, 892235), (180, 713788), (240, 535341), (360, 356894), (720, 178447)]