640924368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{3023}}^1$

素因数の和:3672

約数の個数: 80

約数和(自身を含む): 1895878656

約数和(自身を除く): 1254954288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 631, 1262, 1893, 2524, 3023, 3786, 4417, 5048, 6046, 7572, 8834, 9069, 10096, 12092, 13251, 15144, 17668, 18138, 21161, 24184, 26502, 30288, 35336, 36276, 42322, 48368, 53004, 63483, 70672, 72552, 84644, 106008, 126966, 145104, 169288, 212016, 253932, 338576, 507864, 1015728, 1907513, 3815026, 5722539, 7630052, 11445078, 13352591, 15260104, 22890156, 26705182, 30520208, 40057773, 45780312, 53410364, 80115546, 91560624, 106820728, 160231092, 213641456, 320462184, 640924368]

約数ペア:

[(1, 640924368), (2, 320462184), (3, 213641456), (4, 160231092), (6, 106820728), (7, 91560624), (8, 80115546), (12, 53410364), (14, 45780312), (16, 40057773), (21, 30520208), (24, 26705182), (28, 22890156), (42, 15260104), (48, 13352591), (56, 11445078), (84, 7630052), (112, 5722539), (168, 3815026), (336, 1907513), (631, 1015728), (1262, 507864), (1893, 338576), (2524, 253932), (3023, 212016), (3786, 169288), (4417, 145104), (5048, 126966), (6046, 106008), (7572, 84644), (8834, 72552), (9069, 70672), (10096, 63483), (12092, 53004), (13251, 48368), (15144, 42322), (17668, 36276), (18138, 35336), (21161, 30288), (24184, 26502)]