17761980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 52996608

約数和(自身を除く): 35234628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 61, 69, 92, 115, 122, 138, 183, 211, 230, 244, 276, 305, 345, 366, 422, 460, 610, 633, 690, 732, 844, 915, 1055, 1220, 1266, 1380, 1403, 1830, 2110, 2532, 2806, 3165, 3660, 4209, 4220, 4853, 5612, 6330, 7015, 8418, 9706, 12660, 12871, 14030, 14559, 16836, 19412, 21045, 24265, 25742, 28060, 29118, 38613, 42090, 48530, 51484, 58236, 64355, 72795, 77226, 84180, 97060, 128710, 145590, 154452, 193065, 257420, 291180, 296033, 386130, 592066, 772260, 888099, 1184132, 1480165, 1776198, 2960330, 3552396, 4440495, 5920660, 8880990, 17761980]

約数ペア:

[(1, 17761980), (2, 8880990), (3, 5920660), (4, 4440495), (5, 3552396), (6, 2960330), (10, 1776198), (12, 1480165), (15, 1184132), (20, 888099), (23, 772260), (30, 592066), (46, 386130), (60, 296033), (61, 291180), (69, 257420), (92, 193065), (115, 154452), (122, 145590), (138, 128710), (183, 97060), (211, 84180), (230, 77226), (244, 72795), (276, 64355), (305, 58236), (345, 51484), (366, 48530), (422, 42090), (460, 38613), (610, 29118), (633, 28060), (690, 25742), (732, 24265), (844, 21045), (915, 19412), (1055, 16836), (1220, 14559), (1266, 14030), (1380, 12871), (1403, 12660), (1830, 9706), (2110, 8418), (2532, 7015), (2806, 6330), (3165, 5612), (3660, 4853), (4209, 4220)]