12581970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 31739904

約数和(自身を除く): 19157934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 163, 166, 186, 249, 310, 326, 415, 465, 489, 498, 815, 830, 930, 978, 1245, 1630, 2445, 2490, 2573, 4890, 5053, 5146, 7719, 10106, 12865, 13529, 15159, 15438, 25265, 25730, 27058, 30318, 38595, 40587, 50530, 67645, 75795, 77190, 81174, 135290, 151590, 202935, 405870, 419399, 838798, 1258197, 2096995, 2516394, 4193990, 6290985, 12581970]

約数ペア:

[(1, 12581970), (2, 6290985), (3, 4193990), (5, 2516394), (6, 2096995), (10, 1258197), (15, 838798), (30, 419399), (31, 405870), (62, 202935), (83, 151590), (93, 135290), (155, 81174), (163, 77190), (166, 75795), (186, 67645), (249, 50530), (310, 40587), (326, 38595), (415, 30318), (465, 27058), (489, 25730), (498, 25265), (815, 15438), (830, 15159), (930, 13529), (978, 12865), (1245, 10106), (1630, 7719), (2445, 5146), (2490, 5053), (2573, 4890)]