64514880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 280

約数和(自身を含む): 243413280

約数和(自身を除く): 178898400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 131, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 262, 270, 285, 288, 304, 320, 324, 342, 360, 380, 393, 405, 432, 456, 480, 513, 524, 540, 570, 576, 608, 648, 655, 684, 720, 760, 786, 810, 855, 864, 912, 960, 1026, 1048, 1080, 1140, 1179, 1216, 1296, 1310, 1368, 1440, 1520, 1539, 1572, 1620, 1710, 1728, 1824, 1965, 2052, 2096, 2160, 2280, 2358, 2489, 2565, 2592, 2620, 2736, 2880, 3040, 3078, 3144, 3240, 3420, 3537, 3648, 3930, 4104, 4192, 4320, 4560, 4716, 4978, 5130, 5184, 5240, 5472, 5895, 6080, 6156, 6288, 6480, 6840, 7074, 7467, 7695, 7860, 8208, 8384, 8640, 9120, 9432, 9956, 10260, 10480, 10611, 10944, 11790, 12312, 12445, 12576, 12960, 13680, 14148, 14934, 15390, 15720, 16416, 17685, 18240, 18864, 19912, 20520, 20960, 21222, 22401, 23580, 24624, 24890, 25152, 25920, 27360, 28296, 29868, 30780, 31440, 32832, 35370, 37335, 37728, 39824, 41040, 41920, 42444, 44802, 47160, 49248, 49780, 53055, 54720, 56592, 59736, 61560, 62880, 67203, 70740, 74670, 75456, 79648, 82080, 84888, 89604, 94320, 98496, 99560, 106110, 112005, 113184, 119472, 123120, 125760, 134406, 141480, 149340, 159296, 164160, 169776, 179208, 188640, 199120, 201609, 212220, 224010, 226368, 238944, 246240, 268812, 282960, 298680, 336015, 339552, 358416, 377280, 398240, 403218, 424440, 448020, 477888, 492480, 537624, 565920, 597360, 672030, 679104, 716832, 796480, 806436, 848880, 896040, 1008045, 1075248, 1131840, 1194720, 1344060, 1433664, 1612872, 1697760, 1792080, 2016090, 2150496, 2389440, 2688120, 3225744, 3395520, 3584160, 4032180, 4300992, 5376240, 6451488, 7168320, 8064360, 10752480, 12902976, 16128720, 21504960, 32257440, 64514880]

約数ペア:

[(1, 64514880), (2, 32257440), (3, 21504960), (4, 16128720), (5, 12902976), (6, 10752480), (8, 8064360), (9, 7168320), (10, 6451488), (12, 5376240), (15, 4300992), (16, 4032180), (18, 3584160), (19, 3395520), (20, 3225744), (24, 2688120), (27, 2389440), (30, 2150496), (32, 2016090), (36, 1792080), (38, 1697760), (40, 1612872), (45, 1433664), (48, 1344060), (54, 1194720), (57, 1131840), (60, 1075248), (64, 1008045), (72, 896040), (76, 848880), (80, 806436), (81, 796480), (90, 716832), (95, 679104), (96, 672030), (108, 597360), (114, 565920), (120, 537624), (131, 492480), (135, 477888), (144, 448020), (152, 424440), (160, 403218), (162, 398240), (171, 377280), (180, 358416), (190, 339552), (192, 336015), (216, 298680), (228, 282960), (240, 268812), (262, 246240), (270, 238944), (285, 226368), (288, 224010), (304, 212220), (320, 201609), (324, 199120), (342, 188640), (360, 179208), (380, 169776), (393, 164160), (405, 159296), (432, 149340), (456, 141480), (480, 134406), (513, 125760), (524, 123120), (540, 119472), (570, 113184), (576, 112005), (608, 106110), (648, 99560), (655, 98496), (684, 94320), (720, 89604), (760, 84888), (786, 82080), (810, 79648), (855, 75456), (864, 74670), (912, 70740), (960, 67203), (1026, 62880), (1048, 61560), (1080, 59736), (1140, 56592), (1179, 54720), (1216, 53055), (1296, 49780), (1310, 49248), (1368, 47160), (1440, 44802), (1520, 42444), (1539, 41920), (1572, 41040), (1620, 39824), (1710, 37728), (1728, 37335), (1824, 35370), (1965, 32832), (2052, 31440), (2096, 30780), (2160, 29868), (2280, 28296), (2358, 27360), (2489, 25920), (2565, 25152), (2592, 24890), (2620, 24624), (2736, 23580), (2880, 22401), (3040, 21222), (3078, 20960), (3144, 20520), (3240, 19912), (3420, 18864), (3537, 18240), (3648, 17685), (3930, 16416), (4104, 15720), (4192, 15390), (4320, 14934), (4560, 14148), (4716, 13680), (4978, 12960), (5130, 12576), (5184, 12445), (5240, 12312), (5472, 11790), (5895, 10944), (6080, 10611), (6156, 10480), (6288, 10260), (6480, 9956), (6840, 9432), (7074, 9120), (7467, 8640), (7695, 8384), (7860, 8208)]