221940720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1767

約数の個数: 120

約数和(自身を含む): 749580000

約数和(自身を除く): 527639280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1549, 1592, 1791, 1990, 2388, 2985, 3098, 3184, 3582, 3980, 4647, 4776, 5970, 6196, 7164, 7745, 7960, 8955, 9294, 9552, 11940, 12392, 13941, 14328, 15490, 15920, 17910, 18588, 23235, 23880, 24784, 27882, 28656, 30980, 35820, 37176, 46470, 47760, 55764, 61960, 69705, 71640, 74352, 92940, 111528, 123920, 139410, 143280, 185880, 223056, 278820, 308251, 371760, 557640, 616502, 924753, 1115280, 1233004, 1541255, 1849506, 2466008, 2774259, 3082510, 3699012, 4623765, 4932016, 5548518, 6165020, 7398024, 9247530, 11097036, 12330040, 13871295, 14796048, 18495060, 22194072, 24660080, 27742590, 36990120, 44388144, 55485180, 73980240, 110970360, 221940720]

約数ペア:

[(1, 221940720), (2, 110970360), (3, 73980240), (4, 55485180), (5, 44388144), (6, 36990120), (8, 27742590), (9, 24660080), (10, 22194072), (12, 18495060), (15, 14796048), (16, 13871295), (18, 12330040), (20, 11097036), (24, 9247530), (30, 7398024), (36, 6165020), (40, 5548518), (45, 4932016), (48, 4623765), (60, 3699012), (72, 3082510), (80, 2774259), (90, 2466008), (120, 1849506), (144, 1541255), (180, 1233004), (199, 1115280), (240, 924753), (360, 616502), (398, 557640), (597, 371760), (720, 308251), (796, 278820), (995, 223056), (1194, 185880), (1549, 143280), (1592, 139410), (1791, 123920), (1990, 111528), (2388, 92940), (2985, 74352), (3098, 71640), (3184, 69705), (3582, 61960), (3980, 55764), (4647, 47760), (4776, 46470), (5970, 37176), (6196, 35820), (7164, 30980), (7745, 28656), (7960, 27882), (8955, 24784), (9294, 23880), (9552, 23235), (11940, 18588), (12392, 17910), (13941, 15920), (14328, 15490)]