278438280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 903052800

約数和(自身を除く): 624614520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 89, 93, 116, 120, 124, 145, 155, 174, 178, 186, 232, 248, 267, 290, 310, 348, 356, 372, 435, 445, 465, 534, 580, 620, 696, 712, 744, 841, 870, 890, 899, 930, 1068, 1160, 1240, 1335, 1682, 1740, 1780, 1798, 1860, 2136, 2523, 2581, 2670, 2697, 2759, 3364, 3480, 3560, 3596, 3720, 4205, 4495, 5046, 5162, 5340, 5394, 5518, 6728, 7192, 7743, 8277, 8410, 8990, 10092, 10324, 10680, 10788, 11036, 12615, 12905, 13485, 13795, 15486, 16554, 16820, 17980, 20184, 20648, 21576, 22072, 25230, 25810, 26071, 26970, 27590, 30972, 33108, 33640, 35960, 38715, 41385, 50460, 51620, 52142, 53940, 55180, 61944, 66216, 74849, 77430, 78213, 80011, 82770, 100920, 103240, 104284, 107880, 110360, 130355, 149698, 154860, 156426, 160022, 165540, 208568, 224547, 240033, 260710, 299396, 309720, 312852, 320044, 331080, 374245, 391065, 400055, 449094, 480066, 521420, 598792, 625704, 640088, 748490, 782130, 800110, 898188, 960132, 1042840, 1122735, 1200165, 1496980, 1564260, 1600220, 1796376, 1920264, 2245470, 2320319, 2400330, 2993960, 3128520, 3200440, 4490940, 4640638, 4800660, 6960957, 8981880, 9281276, 9601320, 11601595, 13921914, 18562552, 23203190, 27843828, 34804785, 46406380, 55687656, 69609570, 92812760, 139219140, 278438280]

約数ペア:

[(1, 278438280), (2, 139219140), (3, 92812760), (4, 69609570), (5, 55687656), (6, 46406380), (8, 34804785), (10, 27843828), (12, 23203190), (15, 18562552), (20, 13921914), (24, 11601595), (29, 9601320), (30, 9281276), (31, 8981880), (40, 6960957), (58, 4800660), (60, 4640638), (62, 4490940), (87, 3200440), (89, 3128520), (93, 2993960), (116, 2400330), (120, 2320319), (124, 2245470), (145, 1920264), (155, 1796376), (174, 1600220), (178, 1564260), (186, 1496980), (232, 1200165), (248, 1122735), (267, 1042840), (290, 960132), (310, 898188), (348, 800110), (356, 782130), (372, 748490), (435, 640088), (445, 625704), (465, 598792), (534, 521420), (580, 480066), (620, 449094), (696, 400055), (712, 391065), (744, 374245), (841, 331080), (870, 320044), (890, 312852), (899, 309720), (930, 299396), (1068, 260710), (1160, 240033), (1240, 224547), (1335, 208568), (1682, 165540), (1740, 160022), (1780, 156426), (1798, 154860), (1860, 149698), (2136, 130355), (2523, 110360), (2581, 107880), (2670, 104284), (2697, 103240), (2759, 100920), (3364, 82770), (3480, 80011), (3560, 78213), (3596, 77430), (3720, 74849), (4205, 66216), (4495, 61944), (5046, 55180), (5162, 53940), (5340, 52142), (5394, 51620), (5518, 50460), (6728, 41385), (7192, 38715), (7743, 35960), (8277, 33640), (8410, 33108), (8990, 30972), (10092, 27590), (10324, 26970), (10680, 26071), (10788, 25810), (11036, 25230), (12615, 22072), (12905, 21576), (13485, 20648), (13795, 20184), (15486, 17980), (16554, 16820)]