15890940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6791}}^1$

素因数の和:6819

約数の個数: 72

約数和(自身を含む): 51918048

約数和(自身を除く): 36027108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 6791, 13582, 20373, 27164, 33955, 40746, 61119, 67910, 81492, 88283, 101865, 122238, 135820, 176566, 203730, 244476, 264849, 305595, 353132, 407460, 441415, 529698, 611190, 794547, 882830, 1059396, 1222380, 1324245, 1589094, 1765660, 2648490, 3178188, 3972735, 5296980, 7945470, 15890940]

約数ペア:

[(1, 15890940), (2, 7945470), (3, 5296980), (4, 3972735), (5, 3178188), (6, 2648490), (9, 1765660), (10, 1589094), (12, 1324245), (13, 1222380), (15, 1059396), (18, 882830), (20, 794547), (26, 611190), (30, 529698), (36, 441415), (39, 407460), (45, 353132), (52, 305595), (60, 264849), (65, 244476), (78, 203730), (90, 176566), (117, 135820), (130, 122238), (156, 101865), (180, 88283), (195, 81492), (234, 67910), (260, 61119), (390, 40746), (468, 33955), (585, 27164), (780, 20373), (1170, 13582), (2340, 6791)]