639202560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8761}}^1$

素因数の和:8804

約数の個数: 144

約数和(自身を含む): 2149143360

約数和(自身を除く): 1509940800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 6080, 7296, 8761, 9120, 12160, 14592, 17522, 18240, 24320, 26283, 35044, 36480, 43805, 52566, 70088, 72960, 87610, 105132, 131415, 140176, 166459, 175220, 210264, 262830, 280352, 332918, 350440, 420528, 499377, 525660, 560704, 665836, 700880, 832295, 841056, 998754, 1051320, 1121408, 1331672, 1401760, 1664590, 1682112, 1997508, 2102640, 2242816, 2496885, 2663344, 2803520, 3329180, 3364224, 3995016, 4205280, 4993770, 5326688, 5607040, 6658360, 6728448, 7990032, 8410560, 9987540, 10653376, 11214080, 13316720, 15980064, 16821120, 19975080, 21306752, 26633440, 31960128, 33642240, 39950160, 42613504, 53266880, 63920256, 79900320, 106533760, 127840512, 159800640, 213067520, 319601280, 639202560]

約数ペア:

[(1, 639202560), (2, 319601280), (3, 213067520), (4, 159800640), (5, 127840512), (6, 106533760), (8, 79900320), (10, 63920256), (12, 53266880), (15, 42613504), (16, 39950160), (19, 33642240), (20, 31960128), (24, 26633440), (30, 21306752), (32, 19975080), (38, 16821120), (40, 15980064), (48, 13316720), (57, 11214080), (60, 10653376), (64, 9987540), (76, 8410560), (80, 7990032), (95, 6728448), (96, 6658360), (114, 5607040), (120, 5326688), (128, 4993770), (152, 4205280), (160, 3995016), (190, 3364224), (192, 3329180), (228, 2803520), (240, 2663344), (256, 2496885), (285, 2242816), (304, 2102640), (320, 1997508), (380, 1682112), (384, 1664590), (456, 1401760), (480, 1331672), (570, 1121408), (608, 1051320), (640, 998754), (760, 841056), (768, 832295), (912, 700880), (960, 665836), (1140, 560704), (1216, 525660), (1280, 499377), (1520, 420528), (1824, 350440), (1920, 332918), (2280, 280352), (2432, 262830), (3040, 210264), (3648, 175220), (3840, 166459), (4560, 140176), (4864, 131415), (6080, 105132), (7296, 87610), (8761, 72960), (9120, 70088), (12160, 52566), (14592, 43805), (17522, 36480), (18240, 35044), (24320, 26283)]