80010180

素因数分解:

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

素因数の和:288

約数の個数: 144

約数和(自身を含む): 255737664

約数和(自身を除く): 175727484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 101, 108, 135, 162, 163, 180, 202, 243, 270, 303, 324, 326, 404, 405, 486, 489, 505, 540, 606, 652, 810, 815, 909, 972, 978, 1010, 1212, 1215, 1467, 1515, 1620, 1630, 1818, 1956, 2020, 2430, 2445, 2727, 2934, 3030, 3260, 3636, 4401, 4545, 4860, 4890, 5454, 5868, 6060, 7335, 8181, 8802, 9090, 9780, 10908, 13203, 13635, 14670, 16362, 16463, 17604, 18180, 22005, 24543, 26406, 27270, 29340, 32724, 32926, 39609, 40905, 44010, 49086, 49389, 52812, 54540, 65852, 66015, 79218, 81810, 82315, 88020, 98172, 98778, 122715, 132030, 148167, 158436, 163620, 164630, 197556, 198045, 245430, 246945, 264060, 296334, 329260, 396090, 444501, 490860, 493890, 592668, 740835, 792180, 889002, 987780, 1333503, 1481670, 1778004, 2222505, 2667006, 2963340, 4000509, 4445010, 5334012, 6667515, 8001018, 8890020, 13335030, 16002036, 20002545, 26670060, 40005090, 80010180]

約数ペア:

[(1, 80010180), (2, 40005090), (3, 26670060), (4, 20002545), (5, 16002036), (6, 13335030), (9, 8890020), (10, 8001018), (12, 6667515), (15, 5334012), (18, 4445010), (20, 4000509), (27, 2963340), (30, 2667006), (36, 2222505), (45, 1778004), (54, 1481670), (60, 1333503), (81, 987780), (90, 889002), (101, 792180), (108, 740835), (135, 592668), (162, 493890), (163, 490860), (180, 444501), (202, 396090), (243, 329260), (270, 296334), (303, 264060), (324, 246945), (326, 245430), (404, 198045), (405, 197556), (486, 164630), (489, 163620), (505, 158436), (540, 148167), (606, 132030), (652, 122715), (810, 98778), (815, 98172), (909, 88020), (972, 82315), (978, 81810), (1010, 79218), (1212, 66015), (1215, 65852), (1467, 54540), (1515, 52812), (1620, 49389), (1630, 49086), (1818, 44010), (1956, 40905), (2020, 39609), (2430, 32926), (2445, 32724), (2727, 29340), (2934, 27270), (3030, 26406), (3260, 24543), (3636, 22005), (4401, 18180), (4545, 17604), (4860, 16463), (4890, 16362), (5454, 14670), (5868, 13635), (6060, 13203), (7335, 10908), (8181, 9780), (8802, 9090)]