639901440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{55547}}^1$

素因数の和:55574

約数の個数: 108

約数和(自身を含む): 2214032184

約数和(自身を除く): 1574130744

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 55547, 111094, 166641, 222188, 277735, 333282, 444376, 499923, 555470, 666564, 833205, 888752, 999846, 1110940, 1333128, 1666410, 1777504, 1999692, 2221880, 2499615, 2666256, 3332820, 3555008, 3999384, 4443760, 4999230, 5332512, 6665640, 7110016, 7998768, 8887520, 9998460, 10665024, 13331280, 14220032, 15997536, 17775040, 19996920, 21330048, 26662560, 31995072, 35550080, 39993840, 42660096, 53325120, 63990144, 71100160, 79987680, 106650240, 127980288, 159975360, 213300480, 319950720, 639901440]

約数ペア:

[(1, 639901440), (2, 319950720), (3, 213300480), (4, 159975360), (5, 127980288), (6, 106650240), (8, 79987680), (9, 71100160), (10, 63990144), (12, 53325120), (15, 42660096), (16, 39993840), (18, 35550080), (20, 31995072), (24, 26662560), (30, 21330048), (32, 19996920), (36, 17775040), (40, 15997536), (45, 14220032), (48, 13331280), (60, 10665024), (64, 9998460), (72, 8887520), (80, 7998768), (90, 7110016), (96, 6665640), (120, 5332512), (128, 4999230), (144, 4443760), (160, 3999384), (180, 3555008), (192, 3332820), (240, 2666256), (256, 2499615), (288, 2221880), (320, 1999692), (360, 1777504), (384, 1666410), (480, 1333128), (576, 1110940), (640, 999846), (720, 888752), (768, 833205), (960, 666564), (1152, 555470), (1280, 499923), (1440, 444376), (1920, 333282), (2304, 277735), (2880, 222188), (3840, 166641), (5760, 111094), (11520, 55547)]