1997440560

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2842

約数の個数: 240

約数和(自身を含む): 7147105056

約数和(自身を除く): 5149664496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 720, 740, 810, 888, 972, 999, 1080, 1110, 1215, 1296, 1332, 1480, 1620, 1665, 1776, 1944, 1998, 2160, 2220, 2430, 2664, 2777, 2960, 2997, 3240, 3330, 3888, 3996, 4440, 4860, 4995, 5328, 5554, 5994, 6480, 6660, 7992, 8331, 8880, 8991, 9720, 9990, 11108, 11988, 13320, 13885, 14985, 15984, 16662, 17982, 19440, 19980, 22216, 23976, 24993, 26640, 27770, 29970, 33324, 35964, 39960, 41655, 44432, 44955, 47952, 49986, 55540, 59940, 66648, 71928, 74979, 79920, 83310, 89910, 99972, 102749, 111080, 119880, 124965, 133296, 143856, 149958, 166620, 179820, 199944, 205498, 222160, 224937, 239760, 249930, 299916, 308247, 333240, 359640, 374895, 399888, 410996, 449874, 499860, 513745, 599832, 616494, 666480, 674811, 719280, 749790, 821992, 899748, 924741, 999720, 1027490, 1124685, 1199664, 1232988, 1349622, 1499580, 1541235, 1643984, 1799496, 1849482, 1999440, 2054980, 2249370, 2465976, 2699244, 2774223, 2999160, 3082470, 3374055, 3598992, 3698964, 4109960, 4498740, 4623705, 4931952, 5398488, 5548446, 5998320, 6164940, 6748110, 7397928, 8219920, 8322669, 8997480, 9247410, 10796976, 11096892, 12329880, 13496220, 13871115, 14795856, 16645338, 17994960, 18494820, 22193784, 24659760, 24968007, 26992440, 27742230, 33290676, 36989640, 41613345, 44387568, 49936014, 53984880, 55484460, 66581352, 73979280, 83226690, 99872028, 110968920, 124840035, 133162704, 166453380, 199744056, 221937840, 249680070, 332906760, 399488112, 499360140, 665813520, 998720280, 1997440560]

約数ペア:

[(1, 1997440560), (2, 998720280), (3, 665813520), (4, 499360140), (5, 399488112), (6, 332906760), (8, 249680070), (9, 221937840), (10, 199744056), (12, 166453380), (15, 133162704), (16, 124840035), (18, 110968920), (20, 99872028), (24, 83226690), (27, 73979280), (30, 66581352), (36, 55484460), (37, 53984880), (40, 49936014), (45, 44387568), (48, 41613345), (54, 36989640), (60, 33290676), (72, 27742230), (74, 26992440), (80, 24968007), (81, 24659760), (90, 22193784), (108, 18494820), (111, 17994960), (120, 16645338), (135, 14795856), (144, 13871115), (148, 13496220), (162, 12329880), (180, 11096892), (185, 10796976), (216, 9247410), (222, 8997480), (240, 8322669), (243, 8219920), (270, 7397928), (296, 6748110), (324, 6164940), (333, 5998320), (360, 5548446), (370, 5398488), (405, 4931952), (432, 4623705), (444, 4498740), (486, 4109960), (540, 3698964), (555, 3598992), (592, 3374055), (648, 3082470), (666, 2999160), (720, 2774223), (740, 2699244), (810, 2465976), (888, 2249370), (972, 2054980), (999, 1999440), (1080, 1849482), (1110, 1799496), (1215, 1643984), (1296, 1541235), (1332, 1499580), (1480, 1349622), (1620, 1232988), (1665, 1199664), (1776, 1124685), (1944, 1027490), (1998, 999720), (2160, 924741), (2220, 899748), (2430, 821992), (2664, 749790), (2777, 719280), (2960, 674811), (2997, 666480), (3240, 616494), (3330, 599832), (3888, 513745), (3996, 499860), (4440, 449874), (4860, 410996), (4995, 399888), (5328, 374895), (5554, 359640), (5994, 333240), (6480, 308247), (6660, 299916), (7992, 249930), (8331, 239760), (8880, 224937), (8991, 222160), (9720, 205498), (9990, 199944), (11108, 179820), (11988, 166620), (13320, 149958), (13885, 143856), (14985, 133296), (15984, 124965), (16662, 119880), (17982, 111080), (19440, 102749), (19980, 99972), (22216, 89910), (23976, 83310), (24993, 79920), (26640, 74979), (27770, 71928), (29970, 66648), (33324, 59940), (35964, 55540), (39960, 49986), (41655, 47952), (44432, 44955)]