256695840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178261}}^1$

素因数の和:178282

約数の個数: 72

約数和(自身を含む): 875979468

約数和(自身を除く): 619283628

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178261, 356522, 534783, 713044, 891305, 1069566, 1426088, 1604349, 1782610, 2139132, 2673915, 2852176, 3208698, 3565220, 4278264, 5347830, 5704352, 6417396, 7130440, 8021745, 8556528, 10695660, 12834792, 14260880, 16043490, 17113056, 21391320, 25669584, 28521760, 32086980, 42782640, 51339168, 64173960, 85565280, 128347920, 256695840]

約数ペア:

[(1, 256695840), (2, 128347920), (3, 85565280), (4, 64173960), (5, 51339168), (6, 42782640), (8, 32086980), (9, 28521760), (10, 25669584), (12, 21391320), (15, 17113056), (16, 16043490), (18, 14260880), (20, 12834792), (24, 10695660), (30, 8556528), (32, 8021745), (36, 7130440), (40, 6417396), (45, 5704352), (48, 5347830), (60, 4278264), (72, 3565220), (80, 3208698), (90, 2852176), (96, 2673915), (120, 2139132), (144, 1782610), (160, 1604349), (180, 1426088), (240, 1069566), (288, 891305), (360, 713044), (480, 534783), (720, 356522), (1440, 178261)]