78973920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 280687680

約数和(自身を除く): 201713760

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, 90, 96, 101, 108, 120, 135, 144, 160, 180, 181, 202, 216, 240, 270, 288, 303, 360, 362, 404, 432, 480, 505, 540, 543, 606, 720, 724, 808, 864, 905, 909, 1010, 1080, 1086, 1212, 1440, 1448, 1515, 1616, 1629, 1810, 1818, 2020, 2160, 2172, 2424, 2715, 2727, 2896, 3030, 3232, 3258, 3620, 3636, 4040, 4320, 4344, 4545, 4848, 4887, 5430, 5454, 5792, 6060, 6516, 7240, 7272, 8080, 8145, 8688, 9090, 9696, 9774, 10860, 10908, 12120, 13032, 13635, 14480, 14544, 16160, 16290, 17376, 18180, 18281, 19548, 21720, 21816, 24240, 24435, 26064, 27270, 28960, 29088, 32580, 36360, 36562, 39096, 43440, 43632, 48480, 48870, 52128, 54540, 54843, 65160, 72720, 73124, 78192, 86880, 87264, 91405, 97740, 109080, 109686, 130320, 145440, 146248, 156384, 164529, 182810, 195480, 218160, 219372, 260640, 274215, 292496, 329058, 365620, 390960, 436320, 438744, 493587, 548430, 584992, 658116, 731240, 781920, 822645, 877488, 987174, 1096860, 1316232, 1462480, 1645290, 1754976, 1974348, 2193720, 2467935, 2632464, 2924960, 3290580, 3948696, 4387440, 4935870, 5264928, 6581160, 7897392, 8774880, 9871740, 13162320, 15794784, 19743480, 26324640, 39486960, 78973920]

約数ペア:

[(1, 78973920), (2, 39486960), (3, 26324640), (4, 19743480), (5, 15794784), (6, 13162320), (8, 9871740), (9, 8774880), (10, 7897392), (12, 6581160), (15, 5264928), (16, 4935870), (18, 4387440), (20, 3948696), (24, 3290580), (27, 2924960), (30, 2632464), (32, 2467935), (36, 2193720), (40, 1974348), (45, 1754976), (48, 1645290), (54, 1462480), (60, 1316232), (72, 1096860), (80, 987174), (90, 877488), (96, 822645), (101, 781920), (108, 731240), (120, 658116), (135, 584992), (144, 548430), (160, 493587), (180, 438744), (181, 436320), (202, 390960), (216, 365620), (240, 329058), (270, 292496), (288, 274215), (303, 260640), (360, 219372), (362, 218160), (404, 195480), (432, 182810), (480, 164529), (505, 156384), (540, 146248), (543, 145440), (606, 130320), (720, 109686), (724, 109080), (808, 97740), (864, 91405), (905, 87264), (909, 86880), (1010, 78192), (1080, 73124), (1086, 72720), (1212, 65160), (1440, 54843), (1448, 54540), (1515, 52128), (1616, 48870), (1629, 48480), (1810, 43632), (1818, 43440), (2020, 39096), (2160, 36562), (2172, 36360), (2424, 32580), (2715, 29088), (2727, 28960), (2896, 27270), (3030, 26064), (3232, 24435), (3258, 24240), (3620, 21816), (3636, 21720), (4040, 19548), (4320, 18281), (4344, 18180), (4545, 17376), (4848, 16290), (4887, 16160), (5430, 14544), (5454, 14480), (5792, 13635), (6060, 13032), (6516, 12120), (7240, 10908), (7272, 10860), (8080, 9774), (8145, 9696), (8688, 9090)]