221403240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 256

約数和(自身を含む): 808704000

約数和(自身を除く): 587300760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 170, 180, 186, 204, 216, 248, 255, 270, 279, 306, 310, 340, 360, 372, 389, 408, 459, 465, 510, 527, 540, 558, 612, 620, 680, 744, 765, 778, 837, 918, 930, 1020, 1054, 1080, 1116, 1167, 1224, 1240, 1395, 1530, 1556, 1581, 1674, 1836, 1860, 1945, 2040, 2108, 2232, 2295, 2334, 2635, 2790, 3060, 3112, 3162, 3348, 3501, 3672, 3720, 3890, 4185, 4216, 4590, 4668, 4743, 5270, 5580, 5835, 6120, 6324, 6613, 6696, 7002, 7780, 7905, 8370, 9180, 9336, 9486, 10503, 10540, 11160, 11670, 12059, 12648, 13226, 14004, 14229, 15560, 15810, 16740, 17505, 18360, 18972, 19839, 21006, 21080, 23340, 23715, 24118, 26452, 28008, 28458, 31620, 33065, 33480, 35010, 36177, 37944, 39678, 42012, 46680, 47430, 48236, 52515, 52904, 56916, 59517, 60295, 63240, 66130, 70020, 71145, 72354, 79356, 84024, 94860, 96472, 99195, 105030, 108531, 113832, 119034, 120590, 132260, 140040, 142290, 144708, 158712, 178551, 180885, 189720, 198390, 205003, 210060, 217062, 238068, 241180, 264520, 284580, 289416, 297585, 325593, 357102, 361770, 396780, 410006, 420120, 434124, 476136, 482360, 542655, 569160, 595170, 615009, 651186, 714204, 723540, 793560, 820012, 868248, 892755, 1025015, 1085310, 1190340, 1230018, 1302372, 1428408, 1447080, 1627965, 1640024, 1785510, 1845027, 2050030, 2170620, 2380680, 2460036, 2604744, 3075045, 3255930, 3571020, 3690054, 4100060, 4341240, 4920072, 5535081, 6150090, 6511860, 7142040, 7380108, 8200120, 9225135, 11070162, 12300180, 13023720, 14760216, 18450270, 22140324, 24600360, 27675405, 36900540, 44280648, 55350810, 73801080, 110701620, 221403240]

約数ペア:

[(1, 221403240), (2, 110701620), (3, 73801080), (4, 55350810), (5, 44280648), (6, 36900540), (8, 27675405), (9, 24600360), (10, 22140324), (12, 18450270), (15, 14760216), (17, 13023720), (18, 12300180), (20, 11070162), (24, 9225135), (27, 8200120), (30, 7380108), (31, 7142040), (34, 6511860), (36, 6150090), (40, 5535081), (45, 4920072), (51, 4341240), (54, 4100060), (60, 3690054), (62, 3571020), (68, 3255930), (72, 3075045), (85, 2604744), (90, 2460036), (93, 2380680), (102, 2170620), (108, 2050030), (120, 1845027), (124, 1785510), (135, 1640024), (136, 1627965), (153, 1447080), (155, 1428408), (170, 1302372), (180, 1230018), (186, 1190340), (204, 1085310), (216, 1025015), (248, 892755), (255, 868248), (270, 820012), (279, 793560), (306, 723540), (310, 714204), (340, 651186), (360, 615009), (372, 595170), (389, 569160), (408, 542655), (459, 482360), (465, 476136), (510, 434124), (527, 420120), (540, 410006), (558, 396780), (612, 361770), (620, 357102), (680, 325593), (744, 297585), (765, 289416), (778, 284580), (837, 264520), (918, 241180), (930, 238068), (1020, 217062), (1054, 210060), (1080, 205003), (1116, 198390), (1167, 189720), (1224, 180885), (1240, 178551), (1395, 158712), (1530, 144708), (1556, 142290), (1581, 140040), (1674, 132260), (1836, 120590), (1860, 119034), (1945, 113832), (2040, 108531), (2108, 105030), (2232, 99195), (2295, 96472), (2334, 94860), (2635, 84024), (2790, 79356), (3060, 72354), (3112, 71145), (3162, 70020), (3348, 66130), (3501, 63240), (3672, 60295), (3720, 59517), (3890, 56916), (4185, 52904), (4216, 52515), (4590, 48236), (4668, 47430), (4743, 46680), (5270, 42012), (5580, 39678), (5835, 37944), (6120, 36177), (6324, 35010), (6613, 33480), (6696, 33065), (7002, 31620), (7780, 28458), (7905, 28008), (8370, 26452), (9180, 24118), (9336, 23715), (9486, 23340), (10503, 21080), (10540, 21006), (11160, 19839), (11670, 18972), (12059, 18360), (12648, 17505), (13226, 16740), (14004, 15810), (14229, 15560)]