78203440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2006

約数の個数: 80

約数和(自身を含む): 210754368

約数和(自身を除く): 132550928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1913, 2044, 2555, 2920, 3826, 4088, 5110, 5840, 7652, 8176, 9565, 10220, 13391, 15304, 19130, 20440, 26782, 30608, 38260, 40880, 53564, 66955, 76520, 107128, 133910, 139649, 153040, 214256, 267820, 279298, 535640, 558596, 698245, 977543, 1071280, 1117192, 1396490, 1955086, 2234384, 2792980, 3910172, 4887715, 5585960, 7820344, 9775430, 11171920, 15640688, 19550860, 39101720, 78203440]

約数ペア:

[(1, 78203440), (2, 39101720), (4, 19550860), (5, 15640688), (7, 11171920), (8, 9775430), (10, 7820344), (14, 5585960), (16, 4887715), (20, 3910172), (28, 2792980), (35, 2234384), (40, 1955086), (56, 1396490), (70, 1117192), (73, 1071280), (80, 977543), (112, 698245), (140, 558596), (146, 535640), (280, 279298), (292, 267820), (365, 214256), (511, 153040), (560, 139649), (584, 133910), (730, 107128), (1022, 76520), (1168, 66955), (1460, 53564), (1913, 40880), (2044, 38260), (2555, 30608), (2920, 26782), (3826, 20440), (4088, 19130), (5110, 15304), (5840, 13391), (7652, 10220), (8176, 9565)]