51890280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 183859200

約数和(自身を除く): 131968920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 31, 37, 39, 40, 52, 58, 60, 62, 65, 74, 78, 87, 93, 104, 111, 116, 120, 124, 130, 145, 148, 155, 156, 174, 185, 186, 195, 222, 232, 248, 260, 290, 296, 310, 312, 348, 370, 372, 377, 390, 403, 435, 444, 465, 481, 520, 555, 580, 620, 696, 740, 744, 754, 780, 806, 870, 888, 899, 930, 962, 1073, 1110, 1131, 1147, 1160, 1209, 1240, 1443, 1480, 1508, 1560, 1612, 1740, 1798, 1860, 1885, 1924, 2015, 2146, 2220, 2262, 2294, 2405, 2418, 2697, 2886, 3016, 3219, 3224, 3441, 3480, 3596, 3720, 3770, 3848, 4030, 4292, 4440, 4495, 4524, 4588, 4810, 4836, 5365, 5394, 5655, 5735, 5772, 6045, 6438, 6882, 7192, 7215, 7540, 8060, 8584, 8990, 9048, 9176, 9620, 9672, 10730, 10788, 11310, 11470, 11544, 11687, 12090, 12876, 13485, 13764, 13949, 14430, 14911, 15080, 16095, 16120, 17205, 17980, 19240, 21460, 21576, 22620, 22940, 23374, 24180, 25752, 26970, 27528, 27898, 28860, 29822, 32190, 33263, 34410, 35061, 35960, 41847, 42920, 44733, 45240, 45880, 46748, 48360, 53940, 55796, 57720, 58435, 59644, 64380, 66526, 68820, 69745, 70122, 74555, 83694, 89466, 93496, 99789, 107880, 111592, 116870, 119288, 128760, 133052, 137640, 139490, 140244, 149110, 166315, 167388, 175305, 178932, 199578, 209235, 223665, 233740, 266104, 278980, 280488, 298220, 332630, 334776, 350610, 357864, 399156, 418470, 432419, 447330, 467480, 498945, 557960, 596440, 665260, 701220, 798312, 836940, 864838, 894660, 997890, 1297257, 1330520, 1402440, 1673880, 1729676, 1789320, 1995780, 2162095, 2594514, 3459352, 3991560, 4324190, 5189028, 6486285, 8648380, 10378056, 12972570, 17296760, 25945140, 51890280]

約数ペア:

[(1, 51890280), (2, 25945140), (3, 17296760), (4, 12972570), (5, 10378056), (6, 8648380), (8, 6486285), (10, 5189028), (12, 4324190), (13, 3991560), (15, 3459352), (20, 2594514), (24, 2162095), (26, 1995780), (29, 1789320), (30, 1729676), (31, 1673880), (37, 1402440), (39, 1330520), (40, 1297257), (52, 997890), (58, 894660), (60, 864838), (62, 836940), (65, 798312), (74, 701220), (78, 665260), (87, 596440), (93, 557960), (104, 498945), (111, 467480), (116, 447330), (120, 432419), (124, 418470), (130, 399156), (145, 357864), (148, 350610), (155, 334776), (156, 332630), (174, 298220), (185, 280488), (186, 278980), (195, 266104), (222, 233740), (232, 223665), (248, 209235), (260, 199578), (290, 178932), (296, 175305), (310, 167388), (312, 166315), (348, 149110), (370, 140244), (372, 139490), (377, 137640), (390, 133052), (403, 128760), (435, 119288), (444, 116870), (465, 111592), (481, 107880), (520, 99789), (555, 93496), (580, 89466), (620, 83694), (696, 74555), (740, 70122), (744, 69745), (754, 68820), (780, 66526), (806, 64380), (870, 59644), (888, 58435), (899, 57720), (930, 55796), (962, 53940), (1073, 48360), (1110, 46748), (1131, 45880), (1147, 45240), (1160, 44733), (1209, 42920), (1240, 41847), (1443, 35960), (1480, 35061), (1508, 34410), (1560, 33263), (1612, 32190), (1740, 29822), (1798, 28860), (1860, 27898), (1885, 27528), (1924, 26970), (2015, 25752), (2146, 24180), (2220, 23374), (2262, 22940), (2294, 22620), (2405, 21576), (2418, 21460), (2697, 19240), (2886, 17980), (3016, 17205), (3219, 16120), (3224, 16095), (3441, 15080), (3480, 14911), (3596, 14430), (3720, 13949), (3770, 13764), (3848, 13485), (4030, 12876), (4292, 12090), (4440, 11687), (4495, 11544), (4524, 11470), (4588, 11310), (4810, 10788), (4836, 10730), (5365, 9672), (5394, 9620), (5655, 9176), (5735, 9048), (5772, 8990), (6045, 8584), (6438, 8060), (6882, 7540), (7192, 7215)]