1555009920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{89989}}^1$

素因数の和:90017

約数の個数: 128

約数和(自身を含む): 5507388000

約数和(自身を除く): 3952378080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 89989, 179978, 269967, 359956, 449945, 539934, 719912, 809901, 899890, 1079868, 1349835, 1439824, 1619802, 1799780, 2159736, 2429703, 2699670, 2879648, 3239604, 3599560, 4049505, 4319472, 4859406, 5399340, 5759296, 6479208, 7199120, 8099010, 8638944, 9718812, 10798680, 11518592, 12148515, 12958416, 14398240, 16198020, 17277888, 19437624, 21597360, 24297030, 25916832, 28796480, 32396040, 34555776, 38875248, 43194720, 48594060, 51833664, 57592960, 64792080, 77750496, 86389440, 97188120, 103667328, 129584160, 155500992, 172778880, 194376240, 259168320, 311001984, 388752480, 518336640, 777504960, 1555009920]

約数ペア:

[(1, 1555009920), (2, 777504960), (3, 518336640), (4, 388752480), (5, 311001984), (6, 259168320), (8, 194376240), (9, 172778880), (10, 155500992), (12, 129584160), (15, 103667328), (16, 97188120), (18, 86389440), (20, 77750496), (24, 64792080), (27, 57592960), (30, 51833664), (32, 48594060), (36, 43194720), (40, 38875248), (45, 34555776), (48, 32396040), (54, 28796480), (60, 25916832), (64, 24297030), (72, 21597360), (80, 19437624), (90, 17277888), (96, 16198020), (108, 14398240), (120, 12958416), (128, 12148515), (135, 11518592), (144, 10798680), (160, 9718812), (180, 8638944), (192, 8099010), (216, 7199120), (240, 6479208), (270, 5759296), (288, 5399340), (320, 4859406), (360, 4319472), (384, 4049505), (432, 3599560), (480, 3239604), (540, 2879648), (576, 2699670), (640, 2429703), (720, 2159736), (864, 1799780), (960, 1619802), (1080, 1439824), (1152, 1349835), (1440, 1079868), (1728, 899890), (1920, 809901), (2160, 719912), (2880, 539934), (3456, 449945), (4320, 359956), (5760, 269967), (8640, 179978), (17280, 89989)]