15987240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 54172800

約数和(自身を除く): 38185560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 113, 120, 131, 135, 180, 216, 226, 262, 270, 339, 360, 393, 452, 524, 540, 565, 655, 678, 786, 904, 1017, 1048, 1080, 1130, 1179, 1310, 1356, 1572, 1695, 1965, 2034, 2260, 2358, 2620, 2712, 3051, 3144, 3390, 3537, 3930, 4068, 4520, 4716, 5085, 5240, 5895, 6102, 6780, 7074, 7860, 8136, 9432, 10170, 11790, 12204, 13560, 14148, 14803, 15255, 15720, 17685, 20340, 23580, 24408, 28296, 29606, 30510, 35370, 40680, 44409, 47160, 59212, 61020, 70740, 74015, 88818, 118424, 122040, 133227, 141480, 148030, 177636, 222045, 266454, 296060, 355272, 399681, 444090, 532908, 592120, 666135, 799362, 888180, 1065816, 1332270, 1598724, 1776360, 1998405, 2664540, 3197448, 3996810, 5329080, 7993620, 15987240]

約数ペア:

[(1, 15987240), (2, 7993620), (3, 5329080), (4, 3996810), (5, 3197448), (6, 2664540), (8, 1998405), (9, 1776360), (10, 1598724), (12, 1332270), (15, 1065816), (18, 888180), (20, 799362), (24, 666135), (27, 592120), (30, 532908), (36, 444090), (40, 399681), (45, 355272), (54, 296060), (60, 266454), (72, 222045), (90, 177636), (108, 148030), (113, 141480), (120, 133227), (131, 122040), (135, 118424), (180, 88818), (216, 74015), (226, 70740), (262, 61020), (270, 59212), (339, 47160), (360, 44409), (393, 40680), (452, 35370), (524, 30510), (540, 29606), (565, 28296), (655, 24408), (678, 23580), (786, 20340), (904, 17685), (1017, 15720), (1048, 15255), (1080, 14803), (1130, 14148), (1179, 13560), (1310, 12204), (1356, 11790), (1572, 10170), (1695, 9432), (1965, 8136), (2034, 7860), (2260, 7074), (2358, 6780), (2620, 6102), (2712, 5895), (3051, 5240), (3144, 5085), (3390, 4716), (3537, 4520), (3930, 4068)]