815463440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1307}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 2072813760

約数和(自身を除く): 1257350320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 709, 880, 1307, 1418, 2614, 2836, 3545, 5228, 5672, 6535, 7090, 7799, 10456, 11344, 13070, 14180, 14377, 15598, 20912, 26140, 28360, 28754, 31196, 38995, 52280, 56720, 57508, 62392, 71885, 77990, 104560, 115016, 124784, 143770, 155980, 230032, 287540, 311960, 575080, 623920, 926663, 1150160, 1853326, 3706652, 4633315, 7413304, 9266630, 10193293, 14826608, 18533260, 20386586, 37066520, 40773172, 50966465, 74133040, 81546344, 101932930, 163092688, 203865860, 407731720, 815463440]

約数ペア:

[(1, 815463440), (2, 407731720), (4, 203865860), (5, 163092688), (8, 101932930), (10, 81546344), (11, 74133040), (16, 50966465), (20, 40773172), (22, 37066520), (40, 20386586), (44, 18533260), (55, 14826608), (80, 10193293), (88, 9266630), (110, 7413304), (176, 4633315), (220, 3706652), (440, 1853326), (709, 1150160), (880, 926663), (1307, 623920), (1418, 575080), (2614, 311960), (2836, 287540), (3545, 230032), (5228, 155980), (5672, 143770), (6535, 124784), (7090, 115016), (7799, 104560), (10456, 77990), (11344, 71885), (13070, 62392), (14180, 57508), (14377, 56720), (15598, 52280), (20912, 38995), (26140, 31196), (28360, 28754)]