31784280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 105408000

約数和(自身を除く): 73623720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 199, 220, 242, 264, 330, 363, 398, 440, 484, 597, 605, 660, 726, 796, 968, 995, 1194, 1210, 1320, 1331, 1452, 1592, 1815, 1990, 2189, 2388, 2420, 2662, 2904, 2985, 3630, 3980, 3993, 4378, 4776, 4840, 5324, 5970, 6567, 6655, 7260, 7960, 7986, 8756, 10648, 10945, 11940, 13134, 13310, 14520, 15972, 17512, 19965, 21890, 23880, 24079, 26268, 26620, 31944, 32835, 39930, 43780, 48158, 52536, 53240, 65670, 72237, 79860, 87560, 96316, 120395, 131340, 144474, 159720, 192632, 240790, 262680, 264869, 288948, 361185, 481580, 529738, 577896, 722370, 794607, 963160, 1059476, 1324345, 1444740, 1589214, 2118952, 2648690, 2889480, 3178428, 3973035, 5297380, 6356856, 7946070, 10594760, 15892140, 31784280]

約数ペア:

[(1, 31784280), (2, 15892140), (3, 10594760), (4, 7946070), (5, 6356856), (6, 5297380), (8, 3973035), (10, 3178428), (11, 2889480), (12, 2648690), (15, 2118952), (20, 1589214), (22, 1444740), (24, 1324345), (30, 1059476), (33, 963160), (40, 794607), (44, 722370), (55, 577896), (60, 529738), (66, 481580), (88, 361185), (110, 288948), (120, 264869), (121, 262680), (132, 240790), (165, 192632), (199, 159720), (220, 144474), (242, 131340), (264, 120395), (330, 96316), (363, 87560), (398, 79860), (440, 72237), (484, 65670), (597, 53240), (605, 52536), (660, 48158), (726, 43780), (796, 39930), (968, 32835), (995, 31944), (1194, 26620), (1210, 26268), (1320, 24079), (1331, 23880), (1452, 21890), (1592, 19965), (1815, 17512), (1990, 15972), (2189, 14520), (2388, 13310), (2420, 13134), (2662, 11940), (2904, 10945), (2985, 10648), (3630, 8756), (3980, 7986), (3993, 7960), (4378, 7260), (4776, 6655), (4840, 6567), (5324, 5970)]