20138545440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63281}}^1$

素因数の和:63332

約数の個数: 288

約数和(自身を含む): 78363872496

約数和(自身を除く): 58225327056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1248, 1326, 1360, 1440, 1530, 1560, 1632, 1768, 1872, 1989, 2040, 2080, 2210, 2340, 2448, 2652, 2720, 3060, 3120, 3315, 3536, 3744, 3978, 4080, 4420, 4680, 4896, 5304, 6120, 6240, 6630, 7072, 7956, 8160, 8840, 9360, 9945, 10608, 12240, 13260, 15912, 17680, 18720, 19890, 21216, 24480, 26520, 31824, 35360, 39780, 53040, 63281, 63648, 79560, 106080, 126562, 159120, 189843, 253124, 316405, 318240, 379686, 506248, 569529, 632810, 759372, 822653, 949215, 1012496, 1075777, 1139058, 1265620, 1518744, 1645306, 1898430, 2024992, 2151554, 2278116, 2467959, 2531240, 2847645, 3037488, 3227331, 3290612, 3796860, 4113265, 4303108, 4556232, 4935918, 5062480, 5378885, 5695290, 6074976, 6454662, 6581224, 7403877, 7593720, 8226530, 8606216, 9112464, 9681993, 9871836, 10124960, 10757770, 11390580, 12339795, 12909324, 13162448, 13985101, 14807754, 15187440, 16136655, 16453060, 17212432, 18224928, 19363986, 19743672, 21515540, 22781160, 24679590, 25818648, 26324896, 27970202, 29615508, 30374880, 32273310, 32906120, 34424864, 37019385, 38727972, 39487344, 41955303, 43031080, 45562320, 48409965, 49359180, 51637296, 55940404, 59231016, 64546620, 65812240, 69925505, 74038770, 77455944, 78974688, 83910606, 86062160, 91124640, 96819930, 98718360, 103274592, 111880808, 118462032, 125865909, 129093240, 131624480, 139851010, 148077540, 154911888, 167821212, 172124320, 193639860, 197436720, 209776515, 223761616, 236924064, 251731818, 258186480, 279702020, 296155080, 309823776, 335642424, 387279720, 394873440, 419553030, 447523232, 503463636, 516372960, 559404040, 592310160, 629329545, 671284848, 774559440, 839106060, 1006927272, 1118808080, 1184620320, 1258659090, 1342569696, 1549118880, 1678212120, 2013854544, 2237616160, 2517318180, 3356424240, 4027709088, 5034636360, 6712848480, 10069272720, 20138545440]

約数ペア:

[(1, 20138545440), (2, 10069272720), (3, 6712848480), (4, 5034636360), (5, 4027709088), (6, 3356424240), (8, 2517318180), (9, 2237616160), (10, 2013854544), (12, 1678212120), (13, 1549118880), (15, 1342569696), (16, 1258659090), (17, 1184620320), (18, 1118808080), (20, 1006927272), (24, 839106060), (26, 774559440), (30, 671284848), (32, 629329545), (34, 592310160), (36, 559404040), (39, 516372960), (40, 503463636), (45, 447523232), (48, 419553030), (51, 394873440), (52, 387279720), (60, 335642424), (65, 309823776), (68, 296155080), (72, 279702020), (78, 258186480), (80, 251731818), (85, 236924064), (90, 223761616), (96, 209776515), (102, 197436720), (104, 193639860), (117, 172124320), (120, 167821212), (130, 154911888), (136, 148077540), (144, 139851010), (153, 131624480), (156, 129093240), (160, 125865909), (170, 118462032), (180, 111880808), (195, 103274592), (204, 98718360), (208, 96819930), (221, 91124640), (234, 86062160), (240, 83910606), (255, 78974688), (260, 77455944), (272, 74038770), (288, 69925505), (306, 65812240), (312, 64546620), (340, 59231016), (360, 55940404), (390, 51637296), (408, 49359180), (416, 48409965), (442, 45562320), (468, 43031080), (480, 41955303), (510, 39487344), (520, 38727972), (544, 37019385), (585, 34424864), (612, 32906120), (624, 32273310), (663, 30374880), (680, 29615508), (720, 27970202), (765, 26324896), (780, 25818648), (816, 24679590), (884, 22781160), (936, 21515540), (1020, 19743672), (1040, 19363986), (1105, 18224928), (1170, 17212432), (1224, 16453060), (1248, 16136655), (1326, 15187440), (1360, 14807754), (1440, 13985101), (1530, 13162448), (1560, 12909324), (1632, 12339795), (1768, 11390580), (1872, 10757770), (1989, 10124960), (2040, 9871836), (2080, 9681993), (2210, 9112464), (2340, 8606216), (2448, 8226530), (2652, 7593720), (2720, 7403877), (3060, 6581224), (3120, 6454662), (3315, 6074976), (3536, 5695290), (3744, 5378885), (3978, 5062480), (4080, 4935918), (4420, 4556232), (4680, 4303108), (4896, 4113265), (5304, 3796860), (6120, 3290612), (6240, 3227331), (6630, 3037488), (7072, 2847645), (7956, 2531240), (8160, 2467959), (8840, 2278116), (9360, 2151554), (9945, 2024992), (10608, 1898430), (12240, 1645306), (13260, 1518744), (15912, 1265620), (17680, 1139058), (18720, 1075777), (19890, 1012496), (21216, 949215), (24480, 822653), (26520, 759372), (31824, 632810), (35360, 569529), (39780, 506248), (53040, 379686), (63281, 318240), (63648, 316405), (79560, 253124), (106080, 189843), (126562, 159120)]