78963660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 251254080

約数和(自身を除く): 172290420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 617, 711, 790, 810, 948, 1185, 1234, 1422, 1580, 1620, 1851, 2133, 2370, 2468, 2844, 3085, 3555, 3702, 4266, 4740, 5553, 6170, 6399, 7110, 7404, 8532, 9255, 10665, 11106, 12340, 12798, 14220, 16659, 18510, 21330, 22212, 25596, 27765, 31995, 33318, 37020, 42660, 48743, 49977, 55530, 63990, 66636, 83295, 97486, 99954, 111060, 127980, 146229, 166590, 194972, 199908, 243715, 249885, 292458, 333180, 438687, 487430, 499770, 584916, 731145, 877374, 974860, 999540, 1316061, 1462290, 1754748, 2193435, 2632122, 2924580, 3948183, 4386870, 5264244, 6580305, 7896366, 8773740, 13160610, 15792732, 19740915, 26321220, 39481830, 78963660]

約数ペア:

[(1, 78963660), (2, 39481830), (3, 26321220), (4, 19740915), (5, 15792732), (6, 13160610), (9, 8773740), (10, 7896366), (12, 6580305), (15, 5264244), (18, 4386870), (20, 3948183), (27, 2924580), (30, 2632122), (36, 2193435), (45, 1754748), (54, 1462290), (60, 1316061), (79, 999540), (81, 974860), (90, 877374), (108, 731145), (135, 584916), (158, 499770), (162, 487430), (180, 438687), (237, 333180), (270, 292458), (316, 249885), (324, 243715), (395, 199908), (405, 194972), (474, 166590), (540, 146229), (617, 127980), (711, 111060), (790, 99954), (810, 97486), (948, 83295), (1185, 66636), (1234, 63990), (1422, 55530), (1580, 49977), (1620, 48743), (1851, 42660), (2133, 37020), (2370, 33318), (2468, 31995), (2844, 27765), (3085, 25596), (3555, 22212), (3702, 21330), (4266, 18510), (4740, 16659), (5553, 14220), (6170, 12798), (6399, 12340), (7110, 11106), (7404, 10665), (8532, 9255)]