15209905840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149351}}^1$

素因数の和:149450

約数の個数: 80

約数和(自身を含む): 37780081920

約数和(自身を除く): 22570176080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 1072, 1273, 1340, 1520, 2546, 2680, 5092, 5360, 6365, 10184, 12730, 20368, 25460, 50920, 101840, 149351, 298702, 597404, 746755, 1194808, 1493510, 2389616, 2837669, 2987020, 5675338, 5974040, 10006517, 11350676, 11948080, 14188345, 20013034, 22701352, 28376690, 40026068, 45402704, 50032585, 56753380, 80052136, 100065170, 113506760, 160104272, 190123823, 200130340, 227013520, 380247646, 400260680, 760495292, 800521360, 950619115, 1520990584, 1901238230, 3041981168, 3802476460, 7604952920, 15209905840]

約数ペア:

[(1, 15209905840), (2, 7604952920), (4, 3802476460), (5, 3041981168), (8, 1901238230), (10, 1520990584), (16, 950619115), (19, 800521360), (20, 760495292), (38, 400260680), (40, 380247646), (67, 227013520), (76, 200130340), (80, 190123823), (95, 160104272), (134, 113506760), (152, 100065170), (190, 80052136), (268, 56753380), (304, 50032585), (335, 45402704), (380, 40026068), (536, 28376690), (670, 22701352), (760, 20013034), (1072, 14188345), (1273, 11948080), (1340, 11350676), (1520, 10006517), (2546, 5974040), (2680, 5675338), (5092, 2987020), (5360, 2837669), (6365, 2389616), (10184, 1493510), (12730, 1194808), (20368, 746755), (25460, 597404), (50920, 298702), (101840, 149351)]