77472720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 320

約数和(自身を含む): 299980800

約数和(自身を除く): 222508080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 89, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 178, 180, 186, 195, 208, 216, 234, 240, 248, 260, 267, 270, 279, 310, 312, 351, 356, 360, 372, 390, 403, 432, 445, 465, 468, 496, 520, 534, 540, 558, 585, 620, 624, 702, 712, 720, 744, 780, 801, 806, 837, 890, 930, 936, 1040, 1068, 1080, 1116, 1157, 1170, 1209, 1240, 1335, 1395, 1404, 1424, 1488, 1560, 1602, 1612, 1674, 1755, 1780, 1860, 1872, 2015, 2136, 2160, 2232, 2314, 2340, 2403, 2418, 2480, 2670, 2759, 2790, 2808, 3120, 3204, 3224, 3348, 3471, 3510, 3560, 3627, 3720, 4005, 4030, 4185, 4272, 4464, 4628, 4680, 4806, 4836, 5340, 5518, 5580, 5616, 5785, 6045, 6408, 6448, 6696, 6942, 7020, 7120, 7254, 7440, 8010, 8060, 8277, 8370, 9256, 9360, 9612, 9672, 10413, 10680, 10881, 11036, 11160, 11570, 12015, 12090, 12816, 13392, 13795, 13884, 14040, 14508, 16020, 16120, 16554, 16740, 17355, 18135, 18512, 19224, 19344, 20826, 21360, 21762, 22072, 22320, 23140, 24030, 24180, 24831, 27590, 27768, 28080, 29016, 31239, 32040, 32240, 33108, 33480, 34710, 35867, 36270, 38448, 41385, 41652, 43524, 44144, 46280, 48060, 48360, 49662, 52065, 54405, 55180, 55536, 58032, 62478, 64080, 66216, 66960, 69420, 71734, 72540, 74493, 82770, 83304, 87048, 92560, 96120, 96720, 99324, 104130, 107601, 108810, 110360, 124155, 124956, 132432, 138840, 143468, 145080, 148986, 156195, 165540, 166608, 174096, 179335, 192240, 198648, 208260, 215202, 217620, 220720, 248310, 249912, 277680, 286936, 290160, 297972, 312390, 322803, 331080, 358670, 372465, 397296, 416520, 430404, 435240, 496620, 499824, 538005, 573872, 595944, 624780, 645606, 662160, 717340, 744930, 833040, 860808, 870480, 968409, 993240, 1076010, 1191888, 1249560, 1291212, 1434680, 1489860, 1614015, 1721616, 1936818, 1986480, 2152020, 2499120, 2582424, 2869360, 2979720, 3228030, 3873636, 4304040, 4842045, 5164848, 5959440, 6456060, 7747272, 8608080, 9684090, 12912120, 15494544, 19368180, 25824240, 38736360, 77472720]

約数ペア:

[(1, 77472720), (2, 38736360), (3, 25824240), (4, 19368180), (5, 15494544), (6, 12912120), (8, 9684090), (9, 8608080), (10, 7747272), (12, 6456060), (13, 5959440), (15, 5164848), (16, 4842045), (18, 4304040), (20, 3873636), (24, 3228030), (26, 2979720), (27, 2869360), (30, 2582424), (31, 2499120), (36, 2152020), (39, 1986480), (40, 1936818), (45, 1721616), (48, 1614015), (52, 1489860), (54, 1434680), (60, 1291212), (62, 1249560), (65, 1191888), (72, 1076010), (78, 993240), (80, 968409), (89, 870480), (90, 860808), (93, 833040), (104, 744930), (108, 717340), (117, 662160), (120, 645606), (124, 624780), (130, 595944), (135, 573872), (144, 538005), (155, 499824), (156, 496620), (178, 435240), (180, 430404), (186, 416520), (195, 397296), (208, 372465), (216, 358670), (234, 331080), (240, 322803), (248, 312390), (260, 297972), (267, 290160), (270, 286936), (279, 277680), (310, 249912), (312, 248310), (351, 220720), (356, 217620), (360, 215202), (372, 208260), (390, 198648), (403, 192240), (432, 179335), (445, 174096), (465, 166608), (468, 165540), (496, 156195), (520, 148986), (534, 145080), (540, 143468), (558, 138840), (585, 132432), (620, 124956), (624, 124155), (702, 110360), (712, 108810), (720, 107601), (744, 104130), (780, 99324), (801, 96720), (806, 96120), (837, 92560), (890, 87048), (930, 83304), (936, 82770), (1040, 74493), (1068, 72540), (1080, 71734), (1116, 69420), (1157, 66960), (1170, 66216), (1209, 64080), (1240, 62478), (1335, 58032), (1395, 55536), (1404, 55180), (1424, 54405), (1488, 52065), (1560, 49662), (1602, 48360), (1612, 48060), (1674, 46280), (1755, 44144), (1780, 43524), (1860, 41652), (1872, 41385), (2015, 38448), (2136, 36270), (2160, 35867), (2232, 34710), (2314, 33480), (2340, 33108), (2403, 32240), (2418, 32040), (2480, 31239), (2670, 29016), (2759, 28080), (2790, 27768), (2808, 27590), (3120, 24831), (3204, 24180), (3224, 24030), (3348, 23140), (3471, 22320), (3510, 22072), (3560, 21762), (3627, 21360), (3720, 20826), (4005, 19344), (4030, 19224), (4185, 18512), (4272, 18135), (4464, 17355), (4628, 16740), (4680, 16554), (4806, 16120), (4836, 16020), (5340, 14508), (5518, 14040), (5580, 13884), (5616, 13795), (5785, 13392), (6045, 12816), (6408, 12090), (6448, 12015), (6696, 11570), (6942, 11160), (7020, 11036), (7120, 10881), (7254, 10680), (7440, 10413), (8010, 9672), (8060, 9612), (8277, 9360), (8370, 9256)]