280003680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1607}}^1$

素因数の和:1650

約数の個数: 216

約数和(自身を含む): 1050927696

約数和(自身を除く): 770924016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 198, 220, 240, 242, 264, 288, 330, 352, 360, 363, 396, 440, 480, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1056, 1089, 1210, 1320, 1440, 1452, 1584, 1607, 1760, 1815, 1936, 1980, 2178, 2420, 2640, 2904, 3168, 3214, 3630, 3872, 3960, 4356, 4821, 4840, 5280, 5445, 5808, 6428, 7260, 7920, 8035, 8712, 9642, 9680, 10890, 11616, 12856, 14463, 14520, 15840, 16070, 17424, 17677, 19284, 19360, 21780, 24105, 25712, 28926, 29040, 32140, 34848, 35354, 38568, 43560, 48210, 51424, 53031, 57852, 58080, 64280, 70708, 72315, 77136, 87120, 88385, 96420, 106062, 115704, 128560, 141416, 144630, 154272, 159093, 174240, 176770, 192840, 194447, 212124, 231408, 257120, 265155, 282832, 289260, 318186, 353540, 385680, 388894, 424248, 462816, 530310, 565664, 578520, 583341, 636372, 707080, 771360, 777788, 795465, 848496, 972235, 1060620, 1157040, 1166682, 1272744, 1414160, 1555576, 1590930, 1696992, 1750023, 1944470, 2121240, 2314080, 2333364, 2545488, 2828320, 2916705, 3111152, 3181860, 3500046, 3888940, 4242480, 4666728, 5090976, 5833410, 6222304, 6363720, 7000092, 7777880, 8484960, 8750115, 9333456, 11666820, 12727440, 14000184, 15555760, 17500230, 18666912, 23333640, 25454880, 28000368, 31111520, 35000460, 46667280, 56000736, 70000920, 93334560, 140001840, 280003680]

約数ペア:

[(1, 280003680), (2, 140001840), (3, 93334560), (4, 70000920), (5, 56000736), (6, 46667280), (8, 35000460), (9, 31111520), (10, 28000368), (11, 25454880), (12, 23333640), (15, 18666912), (16, 17500230), (18, 15555760), (20, 14000184), (22, 12727440), (24, 11666820), (30, 9333456), (32, 8750115), (33, 8484960), (36, 7777880), (40, 7000092), (44, 6363720), (45, 6222304), (48, 5833410), (55, 5090976), (60, 4666728), (66, 4242480), (72, 3888940), (80, 3500046), (88, 3181860), (90, 3111152), (96, 2916705), (99, 2828320), (110, 2545488), (120, 2333364), (121, 2314080), (132, 2121240), (144, 1944470), (160, 1750023), (165, 1696992), (176, 1590930), (180, 1555576), (198, 1414160), (220, 1272744), (240, 1166682), (242, 1157040), (264, 1060620), (288, 972235), (330, 848496), (352, 795465), (360, 777788), (363, 771360), (396, 707080), (440, 636372), (480, 583341), (484, 578520), (495, 565664), (528, 530310), (605, 462816), (660, 424248), (720, 388894), (726, 385680), (792, 353540), (880, 318186), (968, 289260), (990, 282832), (1056, 265155), (1089, 257120), (1210, 231408), (1320, 212124), (1440, 194447), (1452, 192840), (1584, 176770), (1607, 174240), (1760, 159093), (1815, 154272), (1936, 144630), (1980, 141416), (2178, 128560), (2420, 115704), (2640, 106062), (2904, 96420), (3168, 88385), (3214, 87120), (3630, 77136), (3872, 72315), (3960, 70708), (4356, 64280), (4821, 58080), (4840, 57852), (5280, 53031), (5445, 51424), (5808, 48210), (6428, 43560), (7260, 38568), (7920, 35354), (8035, 34848), (8712, 32140), (9642, 29040), (9680, 28926), (10890, 25712), (11616, 24105), (12856, 21780), (14463, 19360), (14520, 19284), (15840, 17677), (16070, 17424)]