19852560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 320

約数和(自身を含む): 84994560

約数和(自身を除く): 65142000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 101, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 202, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 303, 312, 315, 336, 351, 360, 364, 378, 390, 404, 420, 432, 455, 468, 504, 505, 520, 540, 546, 560, 585, 606, 624, 630, 702, 707, 720, 728, 756, 780, 808, 819, 840, 909, 910, 936, 945, 1008, 1010, 1040, 1080, 1092, 1170, 1212, 1260, 1313, 1365, 1404, 1414, 1456, 1512, 1515, 1560, 1616, 1638, 1680, 1755, 1818, 1820, 1872, 1890, 2020, 2121, 2160, 2184, 2340, 2424, 2457, 2520, 2626, 2727, 2730, 2808, 2828, 3024, 3030, 3120, 3276, 3510, 3535, 3636, 3640, 3780, 3939, 4040, 4095, 4242, 4368, 4545, 4680, 4848, 4914, 5040, 5252, 5454, 5460, 5616, 5656, 6060, 6363, 6552, 6565, 7020, 7070, 7272, 7280, 7560, 7878, 8080, 8190, 8484, 9090, 9191, 9360, 9828, 10504, 10605, 10908, 10920, 11312, 11817, 12120, 12285, 12726, 13104, 13130, 13635, 14040, 14140, 14544, 15120, 15756, 16380, 16968, 18180, 18382, 19089, 19656, 19695, 21008, 21210, 21816, 21840, 23634, 24240, 24570, 25452, 26260, 27270, 27573, 28080, 28280, 31512, 31815, 32760, 33936, 35451, 36360, 36764, 38178, 39312, 39390, 42420, 43632, 45955, 47268, 49140, 50904, 52520, 54540, 55146, 56560, 59085, 63024, 63630, 65520, 70902, 72720, 73528, 76356, 78780, 82719, 84840, 91910, 94536, 95445, 98280, 101808, 105040, 109080, 110292, 118170, 127260, 137865, 141804, 147056, 152712, 157560, 165438, 169680, 177255, 183820, 189072, 190890, 196560, 218160, 220584, 236340, 248157, 254520, 275730, 283608, 305424, 315120, 330876, 354510, 367640, 381780, 413595, 441168, 472680, 496314, 509040, 551460, 567216, 661752, 709020, 735280, 763560, 827190, 945360, 992628, 1102920, 1240785, 1323504, 1418040, 1527120, 1654380, 1985256, 2205840, 2481570, 2836080, 3308760, 3970512, 4963140, 6617520, 9926280, 19852560]

約数ペア:

[(1, 19852560), (2, 9926280), (3, 6617520), (4, 4963140), (5, 3970512), (6, 3308760), (7, 2836080), (8, 2481570), (9, 2205840), (10, 1985256), (12, 1654380), (13, 1527120), (14, 1418040), (15, 1323504), (16, 1240785), (18, 1102920), (20, 992628), (21, 945360), (24, 827190), (26, 763560), (27, 735280), (28, 709020), (30, 661752), (35, 567216), (36, 551460), (39, 509040), (40, 496314), (42, 472680), (45, 441168), (48, 413595), (52, 381780), (54, 367640), (56, 354510), (60, 330876), (63, 315120), (65, 305424), (70, 283608), (72, 275730), (78, 254520), (80, 248157), (84, 236340), (90, 220584), (91, 218160), (101, 196560), (104, 190890), (105, 189072), (108, 183820), (112, 177255), (117, 169680), (120, 165438), (126, 157560), (130, 152712), (135, 147056), (140, 141804), (144, 137865), (156, 127260), (168, 118170), (180, 110292), (182, 109080), (189, 105040), (195, 101808), (202, 98280), (208, 95445), (210, 94536), (216, 91910), (234, 84840), (240, 82719), (252, 78780), (260, 76356), (270, 73528), (273, 72720), (280, 70902), (303, 65520), (312, 63630), (315, 63024), (336, 59085), (351, 56560), (360, 55146), (364, 54540), (378, 52520), (390, 50904), (404, 49140), (420, 47268), (432, 45955), (455, 43632), (468, 42420), (504, 39390), (505, 39312), (520, 38178), (540, 36764), (546, 36360), (560, 35451), (585, 33936), (606, 32760), (624, 31815), (630, 31512), (702, 28280), (707, 28080), (720, 27573), (728, 27270), (756, 26260), (780, 25452), (808, 24570), (819, 24240), (840, 23634), (909, 21840), (910, 21816), (936, 21210), (945, 21008), (1008, 19695), (1010, 19656), (1040, 19089), (1080, 18382), (1092, 18180), (1170, 16968), (1212, 16380), (1260, 15756), (1313, 15120), (1365, 14544), (1404, 14140), (1414, 14040), (1456, 13635), (1512, 13130), (1515, 13104), (1560, 12726), (1616, 12285), (1638, 12120), (1680, 11817), (1755, 11312), (1818, 10920), (1820, 10908), (1872, 10605), (1890, 10504), (2020, 9828), (2121, 9360), (2160, 9191), (2184, 9090), (2340, 8484), (2424, 8190), (2457, 8080), (2520, 7878), (2626, 7560), (2727, 7280), (2730, 7272), (2808, 7070), (2828, 7020), (3024, 6565), (3030, 6552), (3120, 6363), (3276, 6060), (3510, 5656), (3535, 5616), (3636, 5460), (3640, 5454), (3780, 5252), (3939, 5040), (4040, 4914), (4095, 4848), (4242, 4680), (4368, 4545)]