4990656240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{256721}}^1$

素因数の和:256749

約数の個数: 120

約数和(自身を含む): 17381106288

約数和(自身を除く): 12390450048

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, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 256721, 513442, 770163, 1026884, 1283605, 1540326, 2053768, 2310489, 2567210, 3080652, 3850815, 4107536, 4620978, 5134420, 6161304, 6931467, 7701630, 9241956, 10268840, 11552445, 12322608, 13862934, 15403260, 18483912, 20537680, 20794401, 23104890, 27725868, 30806520, 34657335, 36967824, 41588802, 46209780, 55451736, 61613040, 62383203, 69314670, 83177604, 92419560, 103972005, 110903472, 124766406, 138629340, 166355208, 184839120, 207944010, 249532812, 277258680, 311916015, 332710416, 415888020, 499065624, 554517360, 623832030, 831776040, 998131248, 1247664060, 1663552080, 2495328120, 4990656240]

約数ペア:

[(1, 4990656240), (2, 2495328120), (3, 1663552080), (4, 1247664060), (5, 998131248), (6, 831776040), (8, 623832030), (9, 554517360), (10, 499065624), (12, 415888020), (15, 332710416), (16, 311916015), (18, 277258680), (20, 249532812), (24, 207944010), (27, 184839120), (30, 166355208), (36, 138629340), (40, 124766406), (45, 110903472), (48, 103972005), (54, 92419560), (60, 83177604), (72, 69314670), (80, 62383203), (81, 61613040), (90, 55451736), (108, 46209780), (120, 41588802), (135, 36967824), (144, 34657335), (162, 30806520), (180, 27725868), (216, 23104890), (240, 20794401), (243, 20537680), (270, 18483912), (324, 15403260), (360, 13862934), (405, 12322608), (432, 11552445), (486, 10268840), (540, 9241956), (648, 7701630), (720, 6931467), (810, 6161304), (972, 5134420), (1080, 4620978), (1215, 4107536), (1296, 3850815), (1620, 3080652), (1944, 2567210), (2160, 2310489), (2430, 2053768), (3240, 1540326), (3888, 1283605), (4860, 1026884), (6480, 770163), (9720, 513442), (19440, 256721)]