12812880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 40068864

約数和(自身を除く): 27255984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 271, 394, 542, 591, 788, 813, 985, 1084, 1182, 1355, 1576, 1626, 1970, 2168, 2364, 2710, 2955, 3152, 3252, 3940, 4065, 4336, 4728, 5420, 5910, 6504, 7880, 8130, 9456, 10840, 11820, 13008, 15760, 16260, 21680, 23640, 32520, 47280, 53387, 65040, 106774, 160161, 213548, 266935, 320322, 427096, 533870, 640644, 800805, 854192, 1067740, 1281288, 1601610, 2135480, 2562576, 3203220, 4270960, 6406440, 12812880]

約数ペア:

[(1, 12812880), (2, 6406440), (3, 4270960), (4, 3203220), (5, 2562576), (6, 2135480), (8, 1601610), (10, 1281288), (12, 1067740), (15, 854192), (16, 800805), (20, 640644), (24, 533870), (30, 427096), (40, 320322), (48, 266935), (60, 213548), (80, 160161), (120, 106774), (197, 65040), (240, 53387), (271, 47280), (394, 32520), (542, 23640), (591, 21680), (788, 16260), (813, 15760), (985, 13008), (1084, 11820), (1182, 10840), (1355, 9456), (1576, 8130), (1626, 7880), (1970, 6504), (2168, 5910), (2364, 5420), (2710, 4728), (2955, 4336), (3152, 4065), (3252, 3940)]