321084720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 1194994944

約数和(自身を除く): 873910224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 142, 144, 165, 176, 180, 198, 213, 220, 240, 264, 284, 330, 355, 360, 396, 426, 440, 495, 528, 568, 571, 639, 660, 710, 720, 781, 792, 852, 880, 990, 1065, 1136, 1142, 1278, 1320, 1420, 1562, 1584, 1704, 1713, 1980, 2130, 2284, 2343, 2556, 2640, 2840, 2855, 3124, 3195, 3408, 3426, 3905, 3960, 4260, 4568, 4686, 5112, 5139, 5680, 5710, 6248, 6281, 6390, 6852, 7029, 7810, 7920, 8520, 8565, 9136, 9372, 10224, 10278, 11420, 11715, 12496, 12562, 12780, 13704, 14058, 15620, 17040, 17130, 18744, 18843, 20556, 22840, 23430, 25124, 25560, 25695, 27408, 28116, 31240, 31405, 34260, 35145, 37488, 37686, 40541, 41112, 45680, 46860, 50248, 51120, 51390, 56232, 56529, 62480, 62810, 68520, 70290, 75372, 81082, 82224, 93720, 94215, 100496, 102780, 112464, 113058, 121623, 125620, 137040, 140580, 150744, 162164, 187440, 188430, 202705, 205560, 226116, 243246, 251240, 281160, 282645, 301488, 324328, 364869, 376860, 405410, 411120, 445951, 452232, 486492, 502480, 562320, 565290, 608115, 648656, 729738, 753720, 810820, 891902, 904464, 972984, 1130580, 1216230, 1337853, 1459476, 1507440, 1621640, 1783804, 1824345, 1945968, 2229755, 2261160, 2432460, 2675706, 2918952, 3243280, 3567608, 3648690, 4013559, 4459510, 4522320, 4864920, 5351412, 5837904, 6689265, 7135216, 7297380, 8027118, 8919020, 9729840, 10702824, 13378530, 14594760, 16054236, 17838040, 20067795, 21405648, 26757060, 29189520, 32108472, 35676080, 40135590, 53514120, 64216944, 80271180, 107028240, 160542360, 321084720]

約数ペア:

[(1, 321084720), (2, 160542360), (3, 107028240), (4, 80271180), (5, 64216944), (6, 53514120), (8, 40135590), (9, 35676080), (10, 32108472), (11, 29189520), (12, 26757060), (15, 21405648), (16, 20067795), (18, 17838040), (20, 16054236), (22, 14594760), (24, 13378530), (30, 10702824), (33, 9729840), (36, 8919020), (40, 8027118), (44, 7297380), (45, 7135216), (48, 6689265), (55, 5837904), (60, 5351412), (66, 4864920), (71, 4522320), (72, 4459510), (80, 4013559), (88, 3648690), (90, 3567608), (99, 3243280), (110, 2918952), (120, 2675706), (132, 2432460), (142, 2261160), (144, 2229755), (165, 1945968), (176, 1824345), (180, 1783804), (198, 1621640), (213, 1507440), (220, 1459476), (240, 1337853), (264, 1216230), (284, 1130580), (330, 972984), (355, 904464), (360, 891902), (396, 810820), (426, 753720), (440, 729738), (495, 648656), (528, 608115), (568, 565290), (571, 562320), (639, 502480), (660, 486492), (710, 452232), (720, 445951), (781, 411120), (792, 405410), (852, 376860), (880, 364869), (990, 324328), (1065, 301488), (1136, 282645), (1142, 281160), (1278, 251240), (1320, 243246), (1420, 226116), (1562, 205560), (1584, 202705), (1704, 188430), (1713, 187440), (1980, 162164), (2130, 150744), (2284, 140580), (2343, 137040), (2556, 125620), (2640, 121623), (2840, 113058), (2855, 112464), (3124, 102780), (3195, 100496), (3408, 94215), (3426, 93720), (3905, 82224), (3960, 81082), (4260, 75372), (4568, 70290), (4686, 68520), (5112, 62810), (5139, 62480), (5680, 56529), (5710, 56232), (6248, 51390), (6281, 51120), (6390, 50248), (6852, 46860), (7029, 45680), (7810, 41112), (7920, 40541), (8520, 37686), (8565, 37488), (9136, 35145), (9372, 34260), (10224, 31405), (10278, 31240), (11420, 28116), (11715, 27408), (12496, 25695), (12562, 25560), (12780, 25124), (13704, 23430), (14058, 22840), (15620, 20556), (17040, 18843), (17130, 18744)]