19943040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 54084480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 47, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 94, 96, 102, 104, 120, 128, 130, 136, 141, 156, 160, 170, 188, 192, 195, 204, 208, 221, 235, 240, 255, 260, 272, 282, 312, 320, 340, 376, 384, 390, 408, 416, 442, 470, 480, 510, 520, 544, 564, 611, 624, 640, 663, 680, 705, 752, 780, 799, 816, 832, 884, 940, 960, 1020, 1040, 1088, 1105, 1128, 1222, 1248, 1326, 1360, 1410, 1504, 1560, 1598, 1632, 1664, 1768, 1833, 1880, 1920, 2040, 2080, 2176, 2210, 2256, 2397, 2444, 2496, 2652, 2720, 2820, 3008, 3055, 3120, 3196, 3264, 3315, 3536, 3666, 3760, 3995, 4080, 4160, 4420, 4512, 4794, 4888, 4992, 5304, 5440, 5640, 6016, 6110, 6240, 6392, 6528, 6630, 7072, 7332, 7520, 7990, 8160, 8320, 8840, 9024, 9165, 9588, 9776, 10387, 10608, 10880, 11280, 11985, 12220, 12480, 12784, 13260, 14144, 14664, 15040, 15980, 16320, 17680, 18048, 18330, 19176, 19552, 20774, 21216, 22560, 23970, 24440, 24960, 25568, 26520, 28288, 29328, 30080, 31161, 31960, 32640, 35360, 36660, 38352, 39104, 41548, 42432, 45120, 47940, 48880, 51136, 51935, 53040, 58656, 62322, 63920, 70720, 73320, 76704, 78208, 83096, 84864, 90240, 95880, 97760, 102272, 103870, 106080, 117312, 124644, 127840, 141440, 146640, 153408, 155805, 166192, 191760, 195520, 207740, 212160, 234624, 249288, 255680, 293280, 306816, 311610, 332384, 383520, 391040, 415480, 424320, 498576, 511360, 586560, 623220, 664768, 767040, 830960, 997152, 1173120, 1246440, 1329536, 1534080, 1661920, 1994304, 2492880, 3323840, 3988608, 4985760, 6647680, 9971520, 19943040]

約数ペア:

[(1, 19943040), (2, 9971520), (3, 6647680), (4, 4985760), (5, 3988608), (6, 3323840), (8, 2492880), (10, 1994304), (12, 1661920), (13, 1534080), (15, 1329536), (16, 1246440), (17, 1173120), (20, 997152), (24, 830960), (26, 767040), (30, 664768), (32, 623220), (34, 586560), (39, 511360), (40, 498576), (47, 424320), (48, 415480), (51, 391040), (52, 383520), (60, 332384), (64, 311610), (65, 306816), (68, 293280), (78, 255680), (80, 249288), (85, 234624), (94, 212160), (96, 207740), (102, 195520), (104, 191760), (120, 166192), (128, 155805), (130, 153408), (136, 146640), (141, 141440), (156, 127840), (160, 124644), (170, 117312), (188, 106080), (192, 103870), (195, 102272), (204, 97760), (208, 95880), (221, 90240), (235, 84864), (240, 83096), (255, 78208), (260, 76704), (272, 73320), (282, 70720), (312, 63920), (320, 62322), (340, 58656), (376, 53040), (384, 51935), (390, 51136), (408, 48880), (416, 47940), (442, 45120), (470, 42432), (480, 41548), (510, 39104), (520, 38352), (544, 36660), (564, 35360), (611, 32640), (624, 31960), (640, 31161), (663, 30080), (680, 29328), (705, 28288), (752, 26520), (780, 25568), (799, 24960), (816, 24440), (832, 23970), (884, 22560), (940, 21216), (960, 20774), (1020, 19552), (1040, 19176), (1088, 18330), (1105, 18048), (1128, 17680), (1222, 16320), (1248, 15980), (1326, 15040), (1360, 14664), (1410, 14144), (1504, 13260), (1560, 12784), (1598, 12480), (1632, 12220), (1664, 11985), (1768, 11280), (1833, 10880), (1880, 10608), (1920, 10387), (2040, 9776), (2080, 9588), (2176, 9165), (2210, 9024), (2256, 8840), (2397, 8320), (2444, 8160), (2496, 7990), (2652, 7520), (2720, 7332), (2820, 7072), (3008, 6630), (3055, 6528), (3120, 6392), (3196, 6240), (3264, 6110), (3315, 6016), (3536, 5640), (3666, 5440), (3760, 5304), (3995, 4992), (4080, 4888), (4160, 4794), (4420, 4512)]