99979920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 360185280

約数和(自身を除く): 260205360

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, 139, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 278, 296, 324, 333, 360, 370, 405, 417, 432, 444, 486, 540, 555, 556, 592, 648, 666, 695, 720, 740, 810, 834, 888, 972, 999, 1080, 1110, 1112, 1215, 1251, 1296, 1332, 1390, 1480, 1620, 1665, 1668, 1776, 1944, 1998, 2085, 2160, 2220, 2224, 2430, 2502, 2664, 2780, 2960, 2997, 3240, 3330, 3336, 3753, 3888, 3996, 4170, 4440, 4860, 4995, 5004, 5143, 5328, 5560, 5994, 6255, 6480, 6660, 6672, 7506, 7992, 8340, 8880, 8991, 9720, 9990, 10008, 10286, 11120, 11259, 11988, 12510, 13320, 14985, 15012, 15429, 15984, 16680, 17982, 18765, 19440, 19980, 20016, 20572, 22518, 23976, 25020, 25715, 26640, 29970, 30024, 30858, 33360, 33777, 35964, 37530, 39960, 41144, 44955, 45036, 46287, 47952, 50040, 51430, 56295, 59940, 60048, 61716, 67554, 71928, 75060, 77145, 79920, 82288, 89910, 90072, 92574, 100080, 102860, 112590, 119880, 123432, 135108, 138861, 143856, 150120, 154290, 168885, 179820, 180144, 185148, 205720, 225180, 231435, 239760, 246864, 270216, 277722, 300240, 308580, 337770, 359640, 370296, 411440, 416583, 450360, 462870, 540432, 555444, 617160, 675540, 694305, 719280, 740592, 833166, 900720, 925740, 1110888, 1234320, 1249749, 1351080, 1388610, 1666332, 1851480, 2082915, 2221776, 2499498, 2702160, 2777220, 3332664, 3702960, 4165830, 4998996, 5554440, 6248745, 6665328, 8331660, 9997992, 11108880, 12497490, 16663320, 19995984, 24994980, 33326640, 49989960, 99979920]

約数ペア:

[(1, 99979920), (2, 49989960), (3, 33326640), (4, 24994980), (5, 19995984), (6, 16663320), (8, 12497490), (9, 11108880), (10, 9997992), (12, 8331660), (15, 6665328), (16, 6248745), (18, 5554440), (20, 4998996), (24, 4165830), (27, 3702960), (30, 3332664), (36, 2777220), (37, 2702160), (40, 2499498), (45, 2221776), (48, 2082915), (54, 1851480), (60, 1666332), (72, 1388610), (74, 1351080), (80, 1249749), (81, 1234320), (90, 1110888), (108, 925740), (111, 900720), (120, 833166), (135, 740592), (139, 719280), (144, 694305), (148, 675540), (162, 617160), (180, 555444), (185, 540432), (216, 462870), (222, 450360), (240, 416583), (243, 411440), (270, 370296), (278, 359640), (296, 337770), (324, 308580), (333, 300240), (360, 277722), (370, 270216), (405, 246864), (417, 239760), (432, 231435), (444, 225180), (486, 205720), (540, 185148), (555, 180144), (556, 179820), (592, 168885), (648, 154290), (666, 150120), (695, 143856), (720, 138861), (740, 135108), (810, 123432), (834, 119880), (888, 112590), (972, 102860), (999, 100080), (1080, 92574), (1110, 90072), (1112, 89910), (1215, 82288), (1251, 79920), (1296, 77145), (1332, 75060), (1390, 71928), (1480, 67554), (1620, 61716), (1665, 60048), (1668, 59940), (1776, 56295), (1944, 51430), (1998, 50040), (2085, 47952), (2160, 46287), (2220, 45036), (2224, 44955), (2430, 41144), (2502, 39960), (2664, 37530), (2780, 35964), (2960, 33777), (2997, 33360), (3240, 30858), (3330, 30024), (3336, 29970), (3753, 26640), (3888, 25715), (3996, 25020), (4170, 23976), (4440, 22518), (4860, 20572), (4995, 20016), (5004, 19980), (5143, 19440), (5328, 18765), (5560, 17982), (5994, 16680), (6255, 15984), (6480, 15429), (6660, 15012), (6672, 14985), (7506, 13320), (7992, 12510), (8340, 11988), (8880, 11259), (8991, 11120), (9720, 10286), (9990, 10008)]