321480720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40591}}^1$

素因数の和:40621

約数の個数: 120

約数和(自身を含む): 1177817472

約数和(自身を除く): 856336752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 40591, 81182, 121773, 162364, 202955, 243546, 324728, 365319, 405910, 446501, 487092, 608865, 649456, 730638, 811820, 893002, 974184, 1217730, 1339503, 1461276, 1623640, 1786004, 1826595, 1948368, 2232505, 2435460, 2679006, 2922552, 3247280, 3572008, 3653190, 4018509, 4465010, 4870920, 5358012, 5845104, 6697515, 7144016, 7306380, 8037018, 8930020, 9741840, 10716024, 13395030, 14612760, 16074036, 17860040, 20092545, 21432048, 26790060, 29225520, 32148072, 35720080, 40185090, 53580120, 64296144, 80370180, 107160240, 160740360, 321480720]

約数ペア:

[(1, 321480720), (2, 160740360), (3, 107160240), (4, 80370180), (5, 64296144), (6, 53580120), (8, 40185090), (9, 35720080), (10, 32148072), (11, 29225520), (12, 26790060), (15, 21432048), (16, 20092545), (18, 17860040), (20, 16074036), (22, 14612760), (24, 13395030), (30, 10716024), (33, 9741840), (36, 8930020), (40, 8037018), (44, 7306380), (45, 7144016), (48, 6697515), (55, 5845104), (60, 5358012), (66, 4870920), (72, 4465010), (80, 4018509), (88, 3653190), (90, 3572008), (99, 3247280), (110, 2922552), (120, 2679006), (132, 2435460), (144, 2232505), (165, 1948368), (176, 1826595), (180, 1786004), (198, 1623640), (220, 1461276), (240, 1339503), (264, 1217730), (330, 974184), (360, 893002), (396, 811820), (440, 730638), (495, 649456), (528, 608865), (660, 487092), (720, 446501), (792, 405910), (880, 365319), (990, 324728), (1320, 243546), (1584, 202955), (1980, 162364), (2640, 121773), (3960, 81182), (7920, 40591)]