1290881160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 192

約数和(自身を含む): 4339296000

約数和(自身を除く): 3048414840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 199, 222, 296, 333, 360, 370, 398, 444, 487, 555, 597, 666, 740, 796, 888, 974, 995, 1110, 1194, 1332, 1461, 1480, 1592, 1665, 1791, 1948, 1990, 2220, 2388, 2435, 2664, 2922, 2985, 3330, 3582, 3896, 3980, 4383, 4440, 4776, 4870, 5844, 5970, 6660, 7164, 7305, 7363, 7960, 8766, 8955, 9740, 11688, 11940, 13320, 14328, 14610, 14726, 17532, 17910, 18019, 19480, 21915, 22089, 23880, 29220, 29452, 35064, 35820, 36038, 36815, 43830, 44178, 54057, 58440, 58904, 66267, 71640, 72076, 73630, 87660, 88356, 90095, 96913, 108114, 110445, 132534, 144152, 147260, 162171, 175320, 176712, 180190, 193826, 216228, 220890, 265068, 270285, 290739, 294520, 324342, 331335, 360380, 387652, 432456, 441780, 484565, 530136, 540570, 581478, 648684, 662670, 720760, 775304, 810855, 872217, 883560, 969130, 1081140, 1162956, 1297368, 1325340, 1453695, 1621710, 1744434, 1938260, 2162280, 2325912, 2650680, 2907390, 3243420, 3488868, 3585781, 3876520, 4361085, 5814780, 6486840, 6977736, 7171562, 8722170, 10757343, 11629560, 14343124, 17444340, 17928905, 21514686, 28686248, 32272029, 34888680, 35857810, 43029372, 53786715, 64544058, 71715620, 86058744, 107573430, 129088116, 143431240, 161360145, 215146860, 258176232, 322720290, 430293720, 645440580, 1290881160]

約数ペア:

[(1, 1290881160), (2, 645440580), (3, 430293720), (4, 322720290), (5, 258176232), (6, 215146860), (8, 161360145), (9, 143431240), (10, 129088116), (12, 107573430), (15, 86058744), (18, 71715620), (20, 64544058), (24, 53786715), (30, 43029372), (36, 35857810), (37, 34888680), (40, 32272029), (45, 28686248), (60, 21514686), (72, 17928905), (74, 17444340), (90, 14343124), (111, 11629560), (120, 10757343), (148, 8722170), (180, 7171562), (185, 6977736), (199, 6486840), (222, 5814780), (296, 4361085), (333, 3876520), (360, 3585781), (370, 3488868), (398, 3243420), (444, 2907390), (487, 2650680), (555, 2325912), (597, 2162280), (666, 1938260), (740, 1744434), (796, 1621710), (888, 1453695), (974, 1325340), (995, 1297368), (1110, 1162956), (1194, 1081140), (1332, 969130), (1461, 883560), (1480, 872217), (1592, 810855), (1665, 775304), (1791, 720760), (1948, 662670), (1990, 648684), (2220, 581478), (2388, 540570), (2435, 530136), (2664, 484565), (2922, 441780), (2985, 432456), (3330, 387652), (3582, 360380), (3896, 331335), (3980, 324342), (4383, 294520), (4440, 290739), (4776, 270285), (4870, 265068), (5844, 220890), (5970, 216228), (6660, 193826), (7164, 180190), (7305, 176712), (7363, 175320), (7960, 162171), (8766, 147260), (8955, 144152), (9740, 132534), (11688, 110445), (11940, 108114), (13320, 96913), (14328, 90095), (14610, 88356), (14726, 87660), (17532, 73630), (17910, 72076), (18019, 71640), (19480, 66267), (21915, 58904), (22089, 58440), (23880, 54057), (29220, 44178), (29452, 43830), (35064, 36815), (35820, 36038)]