1285391520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{18217}}^1$

素因数の和:18252

約数の個数: 216

約数和(自身を含む): 5102825364

約数和(自身を除く): 3817433844

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 18217, 23520, 35280, 36434, 54651, 70560, 72868, 91085, 109302, 127519, 145736, 163953, 182170, 218604, 255038, 273255, 291472, 327906, 364340, 382557, 437208, 510076, 546510, 582944, 637595, 655812, 728680, 765114, 819765, 874416, 892633, 1020152, 1093020, 1147671, 1275190, 1311624, 1457360, 1530228, 1639530, 1748832, 1785266, 1912785, 2040304, 2186040, 2295342, 2550380, 2623248, 2677899, 2914720, 3060456, 3279060, 3570532, 3825570, 4080608, 4372080, 4463165, 4590684, 5100760, 5246496, 5355798, 5738355, 6120912, 6558120, 7141064, 7651140, 8033697, 8744160, 8926330, 9181368, 10201520, 10711596, 11476710, 12241824, 13116240, 13389495, 14282128, 15302280, 16067394, 17852660, 18362736, 20403040, 21423192, 22953420, 26232480, 26778990, 28564256, 30604560, 32134788, 35705320, 36725472, 40168485, 42846384, 45906840, 53557980, 61209120, 64269576, 71410640, 80336970, 85692768, 91813680, 107115960, 128539152, 142821280, 160673940, 183627360, 214231920, 257078304, 321347880, 428463840, 642695760, 1285391520]

約数ペア:

[(1, 1285391520), (2, 642695760), (3, 428463840), (4, 321347880), (5, 257078304), (6, 214231920), (7, 183627360), (8, 160673940), (9, 142821280), (10, 128539152), (12, 107115960), (14, 91813680), (15, 85692768), (16, 80336970), (18, 71410640), (20, 64269576), (21, 61209120), (24, 53557980), (28, 45906840), (30, 42846384), (32, 40168485), (35, 36725472), (36, 35705320), (40, 32134788), (42, 30604560), (45, 28564256), (48, 26778990), (49, 26232480), (56, 22953420), (60, 21423192), (63, 20403040), (70, 18362736), (72, 17852660), (80, 16067394), (84, 15302280), (90, 14282128), (96, 13389495), (98, 13116240), (105, 12241824), (112, 11476710), (120, 10711596), (126, 10201520), (140, 9181368), (144, 8926330), (147, 8744160), (160, 8033697), (168, 7651140), (180, 7141064), (196, 6558120), (210, 6120912), (224, 5738355), (240, 5355798), (245, 5246496), (252, 5100760), (280, 4590684), (288, 4463165), (294, 4372080), (315, 4080608), (336, 3825570), (360, 3570532), (392, 3279060), (420, 3060456), (441, 2914720), (480, 2677899), (490, 2623248), (504, 2550380), (560, 2295342), (588, 2186040), (630, 2040304), (672, 1912785), (720, 1785266), (735, 1748832), (784, 1639530), (840, 1530228), (882, 1457360), (980, 1311624), (1008, 1275190), (1120, 1147671), (1176, 1093020), (1260, 1020152), (1440, 892633), (1470, 874416), (1568, 819765), (1680, 765114), (1764, 728680), (1960, 655812), (2016, 637595), (2205, 582944), (2352, 546510), (2520, 510076), (2940, 437208), (3360, 382557), (3528, 364340), (3920, 327906), (4410, 291472), (4704, 273255), (5040, 255038), (5880, 218604), (7056, 182170), (7840, 163953), (8820, 145736), (10080, 127519), (11760, 109302), (14112, 91085), (17640, 72868), (18217, 70560), (23520, 54651), (35280, 36434)]