17987760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 71495424

約数和(自身を除く): 53507664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 166, 168, 172, 180, 210, 215, 240, 249, 252, 258, 280, 301, 315, 332, 336, 344, 360, 387, 415, 420, 430, 498, 504, 516, 560, 581, 602, 630, 645, 664, 688, 720, 747, 774, 830, 840, 860, 903, 996, 1008, 1032, 1162, 1204, 1245, 1260, 1290, 1328, 1494, 1505, 1548, 1660, 1680, 1720, 1743, 1806, 1935, 1992, 2064, 2324, 2408, 2490, 2520, 2580, 2709, 2905, 2988, 3010, 3096, 3320, 3440, 3486, 3569, 3612, 3735, 3870, 3984, 4515, 4648, 4816, 4980, 5040, 5160, 5229, 5418, 5810, 5976, 6020, 6192, 6640, 6972, 7138, 7224, 7470, 7740, 8715, 9030, 9296, 9960, 10320, 10458, 10707, 10836, 11620, 11952, 12040, 13545, 13944, 14276, 14448, 14940, 15480, 17430, 17845, 18060, 19920, 20916, 21414, 21672, 23240, 24080, 24983, 26145, 27090, 27888, 28552, 29880, 30960, 32121, 34860, 35690, 36120, 41832, 42828, 43344, 46480, 49966, 52290, 53535, 54180, 57104, 59760, 64242, 69720, 71380, 72240, 74949, 83664, 85656, 99932, 104580, 107070, 108360, 124915, 128484, 139440, 142760, 149898, 160605, 171312, 199864, 209160, 214140, 216720, 224847, 249830, 256968, 285520, 299796, 321210, 374745, 399728, 418320, 428280, 449694, 499660, 513936, 599592, 642420, 749490, 856560, 899388, 999320, 1124235, 1199184, 1284840, 1498980, 1798776, 1998640, 2248470, 2569680, 2997960, 3597552, 4496940, 5995920, 8993880, 17987760]

約数ペア:

[(1, 17987760), (2, 8993880), (3, 5995920), (4, 4496940), (5, 3597552), (6, 2997960), (7, 2569680), (8, 2248470), (9, 1998640), (10, 1798776), (12, 1498980), (14, 1284840), (15, 1199184), (16, 1124235), (18, 999320), (20, 899388), (21, 856560), (24, 749490), (28, 642420), (30, 599592), (35, 513936), (36, 499660), (40, 449694), (42, 428280), (43, 418320), (45, 399728), (48, 374745), (56, 321210), (60, 299796), (63, 285520), (70, 256968), (72, 249830), (80, 224847), (83, 216720), (84, 214140), (86, 209160), (90, 199864), (105, 171312), (112, 160605), (120, 149898), (126, 142760), (129, 139440), (140, 128484), (144, 124915), (166, 108360), (168, 107070), (172, 104580), (180, 99932), (210, 85656), (215, 83664), (240, 74949), (249, 72240), (252, 71380), (258, 69720), (280, 64242), (301, 59760), (315, 57104), (332, 54180), (336, 53535), (344, 52290), (360, 49966), (387, 46480), (415, 43344), (420, 42828), (430, 41832), (498, 36120), (504, 35690), (516, 34860), (560, 32121), (581, 30960), (602, 29880), (630, 28552), (645, 27888), (664, 27090), (688, 26145), (720, 24983), (747, 24080), (774, 23240), (830, 21672), (840, 21414), (860, 20916), (903, 19920), (996, 18060), (1008, 17845), (1032, 17430), (1162, 15480), (1204, 14940), (1245, 14448), (1260, 14276), (1290, 13944), (1328, 13545), (1494, 12040), (1505, 11952), (1548, 11620), (1660, 10836), (1680, 10707), (1720, 10458), (1743, 10320), (1806, 9960), (1935, 9296), (1992, 9030), (2064, 8715), (2324, 7740), (2408, 7470), (2490, 7224), (2520, 7138), (2580, 6972), (2709, 6640), (2905, 6192), (2988, 6020), (3010, 5976), (3096, 5810), (3320, 5418), (3440, 5229), (3486, 5160), (3569, 5040), (3612, 4980), (3735, 4816), (3870, 4648), (3984, 4515)]