128705760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{9931}}^1$

素因数の和:9958

約数の個数: 120

約数和(自身を含む): 454269816

約数和(自身を除く): 325564056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 9931, 12960, 19862, 29793, 39724, 49655, 59586, 79448, 89379, 99310, 119172, 148965, 158896, 178758, 198620, 238344, 268137, 297930, 317792, 357516, 397240, 446895, 476688, 536274, 595860, 715032, 794480, 804411, 893790, 953376, 1072548, 1191720, 1340685, 1430064, 1588960, 1608822, 1787580, 2145096, 2383440, 2681370, 2860128, 3217644, 3575160, 4022055, 4290192, 4766880, 5362740, 6435288, 7150320, 8044110, 8580384, 10725480, 12870576, 14300640, 16088220, 21450960, 25741152, 32176440, 42901920, 64352880, 128705760]

約数ペア:

[(1, 128705760), (2, 64352880), (3, 42901920), (4, 32176440), (5, 25741152), (6, 21450960), (8, 16088220), (9, 14300640), (10, 12870576), (12, 10725480), (15, 8580384), (16, 8044110), (18, 7150320), (20, 6435288), (24, 5362740), (27, 4766880), (30, 4290192), (32, 4022055), (36, 3575160), (40, 3217644), (45, 2860128), (48, 2681370), (54, 2383440), (60, 2145096), (72, 1787580), (80, 1608822), (81, 1588960), (90, 1430064), (96, 1340685), (108, 1191720), (120, 1072548), (135, 953376), (144, 893790), (160, 804411), (162, 794480), (180, 715032), (216, 595860), (240, 536274), (270, 476688), (288, 446895), (324, 397240), (360, 357516), (405, 317792), (432, 297930), (480, 268137), (540, 238344), (648, 198620), (720, 178758), (810, 158896), (864, 148965), (1080, 119172), (1296, 99310), (1440, 89379), (1620, 79448), (2160, 59586), (2592, 49655), (3240, 39724), (4320, 29793), (6480, 19862), (9931, 12960)]