31998240

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{823}}^1$

素因数の和:853

約数の個数: 144

約数和(自身を含む): 113375808

約数和(自身を除く): 81377568

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 823, 864, 972, 1080, 1215, 1296, 1440, 1620, 1646, 1944, 2160, 2430, 2469, 2592, 3240, 3292, 3888, 4115, 4320, 4860, 4938, 6480, 6584, 7407, 7776, 8230, 9720, 9876, 12345, 12960, 13168, 14814, 16460, 19440, 19752, 22221, 24690, 26336, 29628, 32920, 37035, 38880, 39504, 44442, 49380, 59256, 65840, 66663, 74070, 79008, 88884, 98760, 111105, 118512, 131680, 133326, 148140, 177768, 197520, 199989, 222210, 237024, 266652, 296280, 333315, 355536, 395040, 399978, 444420, 533304, 592560, 666630, 711072, 799956, 888840, 999945, 1066608, 1185120, 1333260, 1599912, 1777680, 1999890, 2133216, 2666520, 3199824, 3555360, 3999780, 5333040, 6399648, 7999560, 10666080, 15999120, 31998240]

約数ペア:

[(1, 31998240), (2, 15999120), (3, 10666080), (4, 7999560), (5, 6399648), (6, 5333040), (8, 3999780), (9, 3555360), (10, 3199824), (12, 2666520), (15, 2133216), (16, 1999890), (18, 1777680), (20, 1599912), (24, 1333260), (27, 1185120), (30, 1066608), (32, 999945), (36, 888840), (40, 799956), (45, 711072), (48, 666630), (54, 592560), (60, 533304), (72, 444420), (80, 399978), (81, 395040), (90, 355536), (96, 333315), (108, 296280), (120, 266652), (135, 237024), (144, 222210), (160, 199989), (162, 197520), (180, 177768), (216, 148140), (240, 133326), (243, 131680), (270, 118512), (288, 111105), (324, 98760), (360, 88884), (405, 79008), (432, 74070), (480, 66663), (486, 65840), (540, 59256), (648, 49380), (720, 44442), (810, 39504), (823, 38880), (864, 37035), (972, 32920), (1080, 29628), (1215, 26336), (1296, 24690), (1440, 22221), (1620, 19752), (1646, 19440), (1944, 16460), (2160, 14814), (2430, 13168), (2469, 12960), (2592, 12345), (3240, 9876), (3292, 9720), (3888, 8230), (4115, 7776), (4320, 7407), (4860, 6584), (4938, 6480)]