51648480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 198132480

約数和(自身を除く): 146484000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 89, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 178, 180, 186, 195, 208, 234, 240, 248, 260, 267, 279, 288, 310, 312, 356, 360, 372, 390, 403, 416, 445, 465, 468, 480, 496, 520, 534, 558, 585, 620, 624, 712, 720, 744, 780, 801, 806, 890, 930, 936, 992, 1040, 1068, 1116, 1157, 1170, 1209, 1240, 1248, 1335, 1395, 1424, 1440, 1488, 1560, 1602, 1612, 1780, 1860, 1872, 2015, 2080, 2136, 2232, 2314, 2340, 2418, 2480, 2670, 2759, 2790, 2848, 2976, 3120, 3204, 3224, 3471, 3560, 3627, 3720, 3744, 4005, 4030, 4272, 4464, 4628, 4680, 4836, 4960, 5340, 5518, 5580, 5785, 6045, 6240, 6408, 6448, 6942, 7120, 7254, 7440, 8010, 8060, 8277, 8544, 8928, 9256, 9360, 9672, 10413, 10680, 11036, 11160, 11570, 12090, 12816, 12896, 13795, 13884, 14240, 14508, 14880, 16020, 16120, 16554, 17355, 18135, 18512, 18720, 19344, 20826, 21360, 22072, 22320, 23140, 24180, 24831, 25632, 27590, 27768, 29016, 32040, 32240, 33108, 34710, 35867, 36270, 37024, 38688, 41385, 41652, 42720, 44144, 44640, 46280, 48360, 49662, 52065, 55180, 55536, 58032, 64080, 64480, 66216, 69420, 71734, 72540, 82770, 83304, 88288, 92560, 96720, 99324, 104130, 107601, 110360, 111072, 116064, 124155, 128160, 132432, 138840, 143468, 145080, 165540, 166608, 179335, 185120, 193440, 198648, 208260, 215202, 220720, 248310, 264864, 277680, 286936, 290160, 322803, 331080, 333216, 358670, 397296, 416520, 430404, 441440, 496620, 538005, 555360, 573872, 580320, 645606, 662160, 717340, 794592, 833040, 860808, 993240, 1076010, 1147744, 1291212, 1324320, 1434680, 1614015, 1666080, 1721616, 1986480, 2152020, 2582424, 2869360, 3228030, 3443232, 3972960, 4304040, 5164848, 5738720, 6456060, 8608080, 10329696, 12912120, 17216160, 25824240, 51648480]

約数ペア:

[(1, 51648480), (2, 25824240), (3, 17216160), (4, 12912120), (5, 10329696), (6, 8608080), (8, 6456060), (9, 5738720), (10, 5164848), (12, 4304040), (13, 3972960), (15, 3443232), (16, 3228030), (18, 2869360), (20, 2582424), (24, 2152020), (26, 1986480), (30, 1721616), (31, 1666080), (32, 1614015), (36, 1434680), (39, 1324320), (40, 1291212), (45, 1147744), (48, 1076010), (52, 993240), (60, 860808), (62, 833040), (65, 794592), (72, 717340), (78, 662160), (80, 645606), (89, 580320), (90, 573872), (93, 555360), (96, 538005), (104, 496620), (117, 441440), (120, 430404), (124, 416520), (130, 397296), (144, 358670), (155, 333216), (156, 331080), (160, 322803), (178, 290160), (180, 286936), (186, 277680), (195, 264864), (208, 248310), (234, 220720), (240, 215202), (248, 208260), (260, 198648), (267, 193440), (279, 185120), (288, 179335), (310, 166608), (312, 165540), (356, 145080), (360, 143468), (372, 138840), (390, 132432), (403, 128160), (416, 124155), (445, 116064), (465, 111072), (468, 110360), (480, 107601), (496, 104130), (520, 99324), (534, 96720), (558, 92560), (585, 88288), (620, 83304), (624, 82770), (712, 72540), (720, 71734), (744, 69420), (780, 66216), (801, 64480), (806, 64080), (890, 58032), (930, 55536), (936, 55180), (992, 52065), (1040, 49662), (1068, 48360), (1116, 46280), (1157, 44640), (1170, 44144), (1209, 42720), (1240, 41652), (1248, 41385), (1335, 38688), (1395, 37024), (1424, 36270), (1440, 35867), (1488, 34710), (1560, 33108), (1602, 32240), (1612, 32040), (1780, 29016), (1860, 27768), (1872, 27590), (2015, 25632), (2080, 24831), (2136, 24180), (2232, 23140), (2314, 22320), (2340, 22072), (2418, 21360), (2480, 20826), (2670, 19344), (2759, 18720), (2790, 18512), (2848, 18135), (2976, 17355), (3120, 16554), (3204, 16120), (3224, 16020), (3471, 14880), (3560, 14508), (3627, 14240), (3720, 13884), (3744, 13795), (4005, 12896), (4030, 12816), (4272, 12090), (4464, 11570), (4628, 11160), (4680, 11036), (4836, 10680), (4960, 10413), (5340, 9672), (5518, 9360), (5580, 9256), (5785, 8928), (6045, 8544), (6240, 8277), (6408, 8060), (6448, 8010), (6942, 7440), (7120, 7254)]