320040720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 240

約数和(自身を含む): 1132552512

約数和(自身を除く): 812511792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 101, 108, 120, 135, 144, 162, 163, 180, 202, 216, 240, 243, 270, 303, 324, 326, 360, 404, 405, 432, 486, 489, 505, 540, 606, 648, 652, 720, 808, 810, 815, 909, 972, 978, 1010, 1080, 1212, 1215, 1296, 1304, 1467, 1515, 1616, 1620, 1630, 1818, 1944, 1956, 2020, 2160, 2424, 2430, 2445, 2608, 2727, 2934, 3030, 3240, 3260, 3636, 3888, 3912, 4040, 4401, 4545, 4848, 4860, 4890, 5454, 5868, 6060, 6480, 6520, 7272, 7335, 7824, 8080, 8181, 8802, 9090, 9720, 9780, 10908, 11736, 12120, 13040, 13203, 13635, 14544, 14670, 16362, 16463, 17604, 18180, 19440, 19560, 21816, 22005, 23472, 24240, 24543, 26406, 27270, 29340, 32724, 32926, 35208, 36360, 39120, 39609, 40905, 43632, 44010, 49086, 49389, 52812, 54540, 58680, 65448, 65852, 66015, 70416, 72720, 79218, 81810, 82315, 88020, 98172, 98778, 105624, 109080, 117360, 122715, 130896, 131704, 132030, 148167, 158436, 163620, 164630, 176040, 196344, 197556, 198045, 211248, 218160, 245430, 246945, 263408, 264060, 296334, 316872, 327240, 329260, 352080, 392688, 395112, 396090, 444501, 490860, 493890, 528120, 592668, 633744, 654480, 658520, 740835, 790224, 792180, 889002, 981720, 987780, 1056240, 1185336, 1317040, 1333503, 1481670, 1584360, 1778004, 1963440, 1975560, 2222505, 2370672, 2667006, 2963340, 3168720, 3556008, 3951120, 4000509, 4445010, 5334012, 5926680, 6667515, 7112016, 8001018, 8890020, 10668024, 11853360, 13335030, 16002036, 17780040, 20002545, 21336048, 26670060, 32004072, 35560080, 40005090, 53340120, 64008144, 80010180, 106680240, 160020360, 320040720]

約数ペア:

[(1, 320040720), (2, 160020360), (3, 106680240), (4, 80010180), (5, 64008144), (6, 53340120), (8, 40005090), (9, 35560080), (10, 32004072), (12, 26670060), (15, 21336048), (16, 20002545), (18, 17780040), (20, 16002036), (24, 13335030), (27, 11853360), (30, 10668024), (36, 8890020), (40, 8001018), (45, 7112016), (48, 6667515), (54, 5926680), (60, 5334012), (72, 4445010), (80, 4000509), (81, 3951120), (90, 3556008), (101, 3168720), (108, 2963340), (120, 2667006), (135, 2370672), (144, 2222505), (162, 1975560), (163, 1963440), (180, 1778004), (202, 1584360), (216, 1481670), (240, 1333503), (243, 1317040), (270, 1185336), (303, 1056240), (324, 987780), (326, 981720), (360, 889002), (404, 792180), (405, 790224), (432, 740835), (486, 658520), (489, 654480), (505, 633744), (540, 592668), (606, 528120), (648, 493890), (652, 490860), (720, 444501), (808, 396090), (810, 395112), (815, 392688), (909, 352080), (972, 329260), (978, 327240), (1010, 316872), (1080, 296334), (1212, 264060), (1215, 263408), (1296, 246945), (1304, 245430), (1467, 218160), (1515, 211248), (1616, 198045), (1620, 197556), (1630, 196344), (1818, 176040), (1944, 164630), (1956, 163620), (2020, 158436), (2160, 148167), (2424, 132030), (2430, 131704), (2445, 130896), (2608, 122715), (2727, 117360), (2934, 109080), (3030, 105624), (3240, 98778), (3260, 98172), (3636, 88020), (3888, 82315), (3912, 81810), (4040, 79218), (4401, 72720), (4545, 70416), (4848, 66015), (4860, 65852), (4890, 65448), (5454, 58680), (5868, 54540), (6060, 52812), (6480, 49389), (6520, 49086), (7272, 44010), (7335, 43632), (7824, 40905), (8080, 39609), (8181, 39120), (8802, 36360), (9090, 35208), (9720, 32926), (9780, 32724), (10908, 29340), (11736, 27270), (12120, 26406), (13040, 24543), (13203, 24240), (13635, 23472), (14544, 22005), (14670, 21816), (16362, 19560), (16463, 19440), (17604, 18180)]