2180054520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1115

約数の個数: 256

約数和(自身を含む): 8336332800

約数和(自身を除く): 6156278280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 457, 504, 540, 630, 631, 756, 840, 914, 945, 1080, 1260, 1262, 1371, 1512, 1828, 1890, 1893, 2285, 2520, 2524, 2742, 3155, 3199, 3656, 3780, 3786, 4113, 4417, 4570, 5048, 5484, 5679, 6310, 6398, 6855, 7560, 7572, 8226, 8834, 9140, 9465, 9597, 10968, 11358, 12339, 12620, 12796, 13251, 13710, 15144, 15995, 16452, 17037, 17668, 18280, 18930, 19194, 20565, 22085, 22716, 24678, 25240, 25592, 26502, 27420, 28395, 28791, 31990, 32904, 34074, 35336, 37860, 38388, 39753, 41130, 44170, 45432, 47985, 49356, 53004, 54840, 56790, 57582, 61695, 63980, 66255, 68148, 75720, 76776, 79506, 82260, 85185, 86373, 88340, 95970, 98712, 106008, 113580, 115164, 119259, 123390, 127960, 132510, 136296, 143955, 159012, 164520, 170370, 172746, 176680, 191940, 198765, 227160, 230328, 238518, 246780, 265020, 287910, 288367, 318024, 340740, 345492, 383880, 397530, 431865, 477036, 493560, 530040, 575820, 576734, 596295, 681480, 690984, 795060, 863730, 865101, 954072, 1151640, 1153468, 1192590, 1441835, 1590120, 1727460, 1730202, 2018569, 2306936, 2385180, 2595303, 2883670, 3454920, 3460404, 4037138, 4325505, 4770360, 5190606, 5767340, 6055707, 6920808, 7785909, 8074276, 8651010, 10092845, 10381212, 11534680, 12111414, 12976515, 15571818, 16148552, 17302020, 18167121, 20185690, 20762424, 24222828, 25953030, 30278535, 31143636, 34604040, 36334242, 38929545, 40371380, 48445656, 51906060, 54501363, 60557070, 62287272, 72668484, 77859090, 80742760, 90835605, 103812120, 109002726, 121114140, 145336968, 155718180, 181671210, 218005452, 242228280, 272506815, 311436360, 363342420, 436010904, 545013630, 726684840, 1090027260, 2180054520]

約数ペア:

[(1, 2180054520), (2, 1090027260), (3, 726684840), (4, 545013630), (5, 436010904), (6, 363342420), (7, 311436360), (8, 272506815), (9, 242228280), (10, 218005452), (12, 181671210), (14, 155718180), (15, 145336968), (18, 121114140), (20, 109002726), (21, 103812120), (24, 90835605), (27, 80742760), (28, 77859090), (30, 72668484), (35, 62287272), (36, 60557070), (40, 54501363), (42, 51906060), (45, 48445656), (54, 40371380), (56, 38929545), (60, 36334242), (63, 34604040), (70, 31143636), (72, 30278535), (84, 25953030), (90, 24222828), (105, 20762424), (108, 20185690), (120, 18167121), (126, 17302020), (135, 16148552), (140, 15571818), (168, 12976515), (180, 12111414), (189, 11534680), (210, 10381212), (216, 10092845), (252, 8651010), (270, 8074276), (280, 7785909), (315, 6920808), (360, 6055707), (378, 5767340), (420, 5190606), (457, 4770360), (504, 4325505), (540, 4037138), (630, 3460404), (631, 3454920), (756, 2883670), (840, 2595303), (914, 2385180), (945, 2306936), (1080, 2018569), (1260, 1730202), (1262, 1727460), (1371, 1590120), (1512, 1441835), (1828, 1192590), (1890, 1153468), (1893, 1151640), (2285, 954072), (2520, 865101), (2524, 863730), (2742, 795060), (3155, 690984), (3199, 681480), (3656, 596295), (3780, 576734), (3786, 575820), (4113, 530040), (4417, 493560), (4570, 477036), (5048, 431865), (5484, 397530), (5679, 383880), (6310, 345492), (6398, 340740), (6855, 318024), (7560, 288367), (7572, 287910), (8226, 265020), (8834, 246780), (9140, 238518), (9465, 230328), (9597, 227160), (10968, 198765), (11358, 191940), (12339, 176680), (12620, 172746), (12796, 170370), (13251, 164520), (13710, 159012), (15144, 143955), (15995, 136296), (16452, 132510), (17037, 127960), (17668, 123390), (18280, 119259), (18930, 115164), (19194, 113580), (20565, 106008), (22085, 98712), (22716, 95970), (24678, 88340), (25240, 86373), (25592, 85185), (26502, 82260), (27420, 79506), (28395, 76776), (28791, 75720), (31990, 68148), (32904, 66255), (34074, 63980), (35336, 61695), (37860, 57582), (38388, 56790), (39753, 54840), (41130, 53004), (44170, 49356), (45432, 47985)]