1918561680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{18127}}^1$

素因数の和:18163

約数の個数: 240

約数和(自身を含む): 7687722240

約数和(自身を除く): 5769160560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 15120, 17640, 18127, 21168, 26460, 35280, 36254, 52920, 54381, 72508, 90635, 105840, 108762, 126889, 145016, 163143, 181270, 217524, 253778, 271905, 290032, 326286, 362540, 380667, 435048, 489429, 507556, 543810, 634445, 652572, 725080, 761334, 815715, 870096, 888223, 978858, 1015112, 1087620, 1142001, 1268890, 1305144, 1450160, 1522668, 1631430, 1776446, 1903335, 1957716, 2030224, 2175240, 2284002, 2447145, 2537780, 2610288, 2664669, 3045336, 3262860, 3426003, 3552892, 3806670, 3915432, 4350480, 4441115, 4568004, 4894290, 5075560, 5329338, 5710005, 6090672, 6525720, 6852006, 7105784, 7613340, 7830864, 7994007, 8882230, 9136008, 9788580, 10151120, 10658676, 11420010, 13051440, 13323345, 13704012, 14211568, 15226680, 15988014, 17130015, 17764460, 18272016, 19577160, 21317352, 22840020, 23982021, 26646690, 27408024, 30453360, 31976028, 34260030, 35528920, 39154320, 39970035, 42634704, 45680040, 47964042, 53293380, 54816048, 63952056, 68520060, 71057840, 79940070, 91360080, 95928084, 106586760, 119910105, 127904112, 137040120, 159880140, 191856168, 213173520, 239820210, 274080240, 319760280, 383712336, 479640420, 639520560, 959280840, 1918561680]

約数ペア:

[(1, 1918561680), (2, 959280840), (3, 639520560), (4, 479640420), (5, 383712336), (6, 319760280), (7, 274080240), (8, 239820210), (9, 213173520), (10, 191856168), (12, 159880140), (14, 137040120), (15, 127904112), (16, 119910105), (18, 106586760), (20, 95928084), (21, 91360080), (24, 79940070), (27, 71057840), (28, 68520060), (30, 63952056), (35, 54816048), (36, 53293380), (40, 47964042), (42, 45680040), (45, 42634704), (48, 39970035), (49, 39154320), (54, 35528920), (56, 34260030), (60, 31976028), (63, 30453360), (70, 27408024), (72, 26646690), (80, 23982021), (84, 22840020), (90, 21317352), (98, 19577160), (105, 18272016), (108, 17764460), (112, 17130015), (120, 15988014), (126, 15226680), (135, 14211568), (140, 13704012), (144, 13323345), (147, 13051440), (168, 11420010), (180, 10658676), (189, 10151120), (196, 9788580), (210, 9136008), (216, 8882230), (240, 7994007), (245, 7830864), (252, 7613340), (270, 7105784), (280, 6852006), (294, 6525720), (315, 6090672), (336, 5710005), (360, 5329338), (378, 5075560), (392, 4894290), (420, 4568004), (432, 4441115), (441, 4350480), (490, 3915432), (504, 3806670), (540, 3552892), (560, 3426003), (588, 3262860), (630, 3045336), (720, 2664669), (735, 2610288), (756, 2537780), (784, 2447145), (840, 2284002), (882, 2175240), (945, 2030224), (980, 1957716), (1008, 1903335), (1080, 1776446), (1176, 1631430), (1260, 1522668), (1323, 1450160), (1470, 1305144), (1512, 1268890), (1680, 1142001), (1764, 1087620), (1890, 1015112), (1960, 978858), (2160, 888223), (2205, 870096), (2352, 815715), (2520, 761334), (2646, 725080), (2940, 652572), (3024, 634445), (3528, 543810), (3780, 507556), (3920, 489429), (4410, 435048), (5040, 380667), (5292, 362540), (5880, 326286), (6615, 290032), (7056, 271905), (7560, 253778), (8820, 217524), (10584, 181270), (11760, 163143), (13230, 145016), (15120, 126889), (17640, 108762), (18127, 105840), (21168, 90635), (26460, 72508), (35280, 54381), (36254, 52920)]