1621080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 5760000

約数和(自身を除く): 4138920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 79, 90, 95, 108, 114, 120, 135, 152, 158, 171, 180, 190, 216, 228, 237, 270, 285, 316, 342, 360, 380, 395, 456, 474, 513, 540, 570, 632, 684, 711, 760, 790, 855, 948, 1026, 1080, 1140, 1185, 1368, 1422, 1501, 1580, 1710, 1896, 2052, 2133, 2280, 2370, 2565, 2844, 3002, 3160, 3420, 3555, 4104, 4266, 4503, 4740, 5130, 5688, 6004, 6840, 7110, 7505, 8532, 9006, 9480, 10260, 10665, 12008, 13509, 14220, 15010, 17064, 18012, 20520, 21330, 22515, 27018, 28440, 30020, 36024, 40527, 42660, 45030, 54036, 60040, 67545, 81054, 85320, 90060, 108072, 135090, 162108, 180120, 202635, 270180, 324216, 405270, 540360, 810540, 1621080]

約数ペア:

[(1, 1621080), (2, 810540), (3, 540360), (4, 405270), (5, 324216), (6, 270180), (8, 202635), (9, 180120), (10, 162108), (12, 135090), (15, 108072), (18, 90060), (19, 85320), (20, 81054), (24, 67545), (27, 60040), (30, 54036), (36, 45030), (38, 42660), (40, 40527), (45, 36024), (54, 30020), (57, 28440), (60, 27018), (72, 22515), (76, 21330), (79, 20520), (90, 18012), (95, 17064), (108, 15010), (114, 14220), (120, 13509), (135, 12008), (152, 10665), (158, 10260), (171, 9480), (180, 9006), (190, 8532), (216, 7505), (228, 7110), (237, 6840), (270, 6004), (285, 5688), (316, 5130), (342, 4740), (360, 4503), (380, 4266), (395, 4104), (456, 3555), (474, 3420), (513, 3160), (540, 3002), (570, 2844), (632, 2565), (684, 2370), (711, 2280), (760, 2133), (790, 2052), (855, 1896), (948, 1710), (1026, 1580), (1080, 1501), (1140, 1422), (1185, 1368)]