1285406940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691079}}^1$

素因数の和:691122

約数の個数: 48

約数和(自身を含む): 3715246080

約数和(自身を除く): 2429839140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 691079, 1382158, 2073237, 2764316, 3455395, 4146474, 6910790, 8292948, 10366185, 13821580, 20732370, 21423449, 41464740, 42846898, 64270347, 85693796, 107117245, 128540694, 214234490, 257081388, 321351735, 428468980, 642703470, 1285406940]

約数ペア:

[(1, 1285406940), (2, 642703470), (3, 428468980), (4, 321351735), (5, 257081388), (6, 214234490), (10, 128540694), (12, 107117245), (15, 85693796), (20, 64270347), (30, 42846898), (31, 41464740), (60, 21423449), (62, 20732370), (93, 13821580), (124, 10366185), (155, 8292948), (186, 6910790), (310, 4146474), (372, 3455395), (465, 2764316), (620, 2073237), (930, 1382158), (1860, 691079)]