38647440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4161

約数の個数: 120

約数和(自身を含む): 139808760

約数和(自身を除く): 101161320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4129, 4680, 8258, 9360, 12387, 16516, 20645, 24774, 33032, 37161, 41290, 49548, 53677, 61935, 66064, 74322, 82580, 99096, 107354, 123870, 148644, 161031, 165160, 185805, 198192, 214708, 247740, 268385, 297288, 322062, 330320, 371610, 429416, 483093, 495480, 536770, 594576, 644124, 743220, 805155, 858832, 966186, 990960, 1073540, 1288248, 1486440, 1610310, 1932372, 2147080, 2415465, 2576496, 2972880, 3220620, 3864744, 4294160, 4830930, 6441240, 7729488, 9661860, 12882480, 19323720, 38647440]

約数ペア:

[(1, 38647440), (2, 19323720), (3, 12882480), (4, 9661860), (5, 7729488), (6, 6441240), (8, 4830930), (9, 4294160), (10, 3864744), (12, 3220620), (13, 2972880), (15, 2576496), (16, 2415465), (18, 2147080), (20, 1932372), (24, 1610310), (26, 1486440), (30, 1288248), (36, 1073540), (39, 990960), (40, 966186), (45, 858832), (48, 805155), (52, 743220), (60, 644124), (65, 594576), (72, 536770), (78, 495480), (80, 483093), (90, 429416), (104, 371610), (117, 330320), (120, 322062), (130, 297288), (144, 268385), (156, 247740), (180, 214708), (195, 198192), (208, 185805), (234, 165160), (240, 161031), (260, 148644), (312, 123870), (360, 107354), (390, 99096), (468, 82580), (520, 74322), (585, 66064), (624, 61935), (720, 53677), (780, 49548), (936, 41290), (1040, 37161), (1170, 33032), (1560, 24774), (1872, 20645), (2340, 16516), (3120, 12387), (4129, 9360), (4680, 8258)]