21702720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 224

約数和(自身を含む): 77833728

約数和(自身を除く): 56131008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 47, 48, 52, 60, 64, 65, 74, 78, 80, 94, 96, 104, 111, 120, 130, 141, 148, 156, 160, 185, 188, 192, 195, 208, 222, 235, 240, 260, 282, 296, 312, 320, 370, 376, 390, 416, 444, 470, 480, 481, 520, 555, 564, 592, 611, 624, 705, 740, 752, 780, 832, 888, 940, 960, 962, 1040, 1110, 1128, 1184, 1222, 1248, 1410, 1443, 1480, 1504, 1560, 1739, 1776, 1833, 1880, 1924, 2080, 2220, 2256, 2368, 2405, 2444, 2496, 2820, 2886, 2960, 3008, 3055, 3120, 3478, 3552, 3666, 3760, 3848, 4160, 4440, 4512, 4810, 4888, 5217, 5640, 5772, 5920, 6110, 6240, 6956, 7104, 7215, 7332, 7520, 7696, 8695, 8880, 9024, 9165, 9620, 9776, 10434, 11280, 11544, 11840, 12220, 12480, 13912, 14430, 14664, 15040, 15392, 17390, 17760, 18330, 19240, 19552, 20868, 22560, 22607, 23088, 24440, 26085, 27824, 28860, 29328, 30784, 34780, 35520, 36660, 38480, 39104, 41736, 45120, 45214, 46176, 48880, 52170, 55648, 57720, 58656, 67821, 69560, 73320, 76960, 83472, 90428, 92352, 97760, 104340, 111296, 113035, 115440, 117312, 135642, 139120, 146640, 153920, 166944, 180856, 195520, 208680, 226070, 230880, 271284, 278240, 293280, 333888, 339105, 361712, 417360, 452140, 461760, 542568, 556480, 586560, 678210, 723424, 834720, 904280, 1085136, 1356420, 1446848, 1669440, 1808560, 2170272, 2712840, 3617120, 4340544, 5425680, 7234240, 10851360, 21702720]

約数ペア:

[(1, 21702720), (2, 10851360), (3, 7234240), (4, 5425680), (5, 4340544), (6, 3617120), (8, 2712840), (10, 2170272), (12, 1808560), (13, 1669440), (15, 1446848), (16, 1356420), (20, 1085136), (24, 904280), (26, 834720), (30, 723424), (32, 678210), (37, 586560), (39, 556480), (40, 542568), (47, 461760), (48, 452140), (52, 417360), (60, 361712), (64, 339105), (65, 333888), (74, 293280), (78, 278240), (80, 271284), (94, 230880), (96, 226070), (104, 208680), (111, 195520), (120, 180856), (130, 166944), (141, 153920), (148, 146640), (156, 139120), (160, 135642), (185, 117312), (188, 115440), (192, 113035), (195, 111296), (208, 104340), (222, 97760), (235, 92352), (240, 90428), (260, 83472), (282, 76960), (296, 73320), (312, 69560), (320, 67821), (370, 58656), (376, 57720), (390, 55648), (416, 52170), (444, 48880), (470, 46176), (480, 45214), (481, 45120), (520, 41736), (555, 39104), (564, 38480), (592, 36660), (611, 35520), (624, 34780), (705, 30784), (740, 29328), (752, 28860), (780, 27824), (832, 26085), (888, 24440), (940, 23088), (960, 22607), (962, 22560), (1040, 20868), (1110, 19552), (1128, 19240), (1184, 18330), (1222, 17760), (1248, 17390), (1410, 15392), (1443, 15040), (1480, 14664), (1504, 14430), (1560, 13912), (1739, 12480), (1776, 12220), (1833, 11840), (1880, 11544), (1924, 11280), (2080, 10434), (2220, 9776), (2256, 9620), (2368, 9165), (2405, 9024), (2444, 8880), (2496, 8695), (2820, 7696), (2886, 7520), (2960, 7332), (3008, 7215), (3055, 7104), (3120, 6956), (3478, 6240), (3552, 6110), (3666, 5920), (3760, 5772), (3848, 5640), (4160, 5217), (4440, 4888), (4512, 4810)]