20897135280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{112061}}^1$

素因数の和:112124

約数の個数: 240

約数和(自身を含む): 82373638464

約数和(自身を除く): 61476503184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3885, 4144, 4440, 4662, 5040, 5180, 5328, 6216, 6660, 7770, 8880, 9324, 10360, 11655, 12432, 13320, 15540, 18648, 20720, 23310, 26640, 31080, 37296, 46620, 62160, 93240, 112061, 186480, 224122, 336183, 448244, 560305, 672366, 784427, 896488, 1008549, 1120610, 1344732, 1568854, 1680915, 1792976, 2017098, 2241220, 2353281, 2689464, 3137708, 3361830, 3922135, 4034196, 4146257, 4482440, 4706562, 5042745, 5378928, 6275416, 6723660, 7059843, 7844270, 8068392, 8292514, 8964880, 9413124, 10085490, 11766405, 12438771, 12550832, 13447320, 14119686, 15688540, 16136784, 16585028, 18826248, 20170980, 20731285, 23532810, 24877542, 26894640, 28239372, 29023799, 31377080, 33170056, 35299215, 37316313, 37652496, 40341960, 41462570, 47065620, 49755084, 56478744, 58047598, 62193855, 62754160, 66340112, 70598430, 74632626, 80683920, 82925140, 87071397, 94131240, 99510168, 112957488, 116095196, 124387710, 141196860, 145118995, 149265252, 165850280, 174142794, 186581565, 188262480, 199020336, 232190392, 248775420, 261214191, 282393720, 290237990, 298530504, 331700560, 348285588, 373163130, 435356985, 464380784, 497550840, 522428382, 564787440, 580475980, 597061008, 696571176, 746326260, 870713970, 995101680, 1044856764, 1160951960, 1306070955, 1393142352, 1492652520, 1741427940, 2089713528, 2321903920, 2612141910, 2985305040, 3482855880, 4179427056, 5224283820, 6965711760, 10448567640, 20897135280]

約数ペア:

[(1, 20897135280), (2, 10448567640), (3, 6965711760), (4, 5224283820), (5, 4179427056), (6, 3482855880), (7, 2985305040), (8, 2612141910), (9, 2321903920), (10, 2089713528), (12, 1741427940), (14, 1492652520), (15, 1393142352), (16, 1306070955), (18, 1160951960), (20, 1044856764), (21, 995101680), (24, 870713970), (28, 746326260), (30, 696571176), (35, 597061008), (36, 580475980), (37, 564787440), (40, 522428382), (42, 497550840), (45, 464380784), (48, 435356985), (56, 373163130), (60, 348285588), (63, 331700560), (70, 298530504), (72, 290237990), (74, 282393720), (80, 261214191), (84, 248775420), (90, 232190392), (105, 199020336), (111, 188262480), (112, 186581565), (120, 174142794), (126, 165850280), (140, 149265252), (144, 145118995), (148, 141196860), (168, 124387710), (180, 116095196), (185, 112957488), (210, 99510168), (222, 94131240), (240, 87071397), (252, 82925140), (259, 80683920), (280, 74632626), (296, 70598430), (315, 66340112), (333, 62754160), (336, 62193855), (360, 58047598), (370, 56478744), (420, 49755084), (444, 47065620), (504, 41462570), (518, 40341960), (555, 37652496), (560, 37316313), (592, 35299215), (630, 33170056), (666, 31377080), (720, 29023799), (740, 28239372), (777, 26894640), (840, 24877542), (888, 23532810), (1008, 20731285), (1036, 20170980), (1110, 18826248), (1260, 16585028), (1295, 16136784), (1332, 15688540), (1480, 14119686), (1554, 13447320), (1665, 12550832), (1680, 12438771), (1776, 11766405), (2072, 10085490), (2220, 9413124), (2331, 8964880), (2520, 8292514), (2590, 8068392), (2664, 7844270), (2960, 7059843), (3108, 6723660), (3330, 6275416), (3885, 5378928), (4144, 5042745), (4440, 4706562), (4662, 4482440), (5040, 4146257), (5180, 4034196), (5328, 3922135), (6216, 3361830), (6660, 3137708), (7770, 2689464), (8880, 2353281), (9324, 2241220), (10360, 2017098), (11655, 1792976), (12432, 1680915), (13320, 1568854), (15540, 1344732), (18648, 1120610), (20720, 1008549), (23310, 896488), (26640, 784427), (31080, 672366), (37296, 560305), (46620, 448244), (62160, 336183), (93240, 224122), (112061, 186480)]