18384240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 67424256

約数和(自身を除く): 49040016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 353, 372, 420, 434, 465, 496, 560, 620, 651, 706, 744, 840, 868, 930, 1059, 1085, 1240, 1302, 1412, 1488, 1680, 1736, 1765, 1860, 2118, 2170, 2471, 2480, 2604, 2824, 3255, 3472, 3530, 3720, 4236, 4340, 4942, 5208, 5295, 5648, 6510, 7060, 7413, 7440, 8472, 8680, 9884, 10416, 10590, 10943, 12355, 13020, 14120, 14826, 16944, 17360, 19768, 21180, 21886, 24710, 26040, 28240, 29652, 32829, 37065, 39536, 42360, 43772, 49420, 52080, 54715, 59304, 65658, 74130, 76601, 84720, 87544, 98840, 109430, 118608, 131316, 148260, 153202, 164145, 175088, 197680, 218860, 229803, 262632, 296520, 306404, 328290, 383005, 437720, 459606, 525264, 593040, 612808, 656580, 766010, 875440, 919212, 1149015, 1225616, 1313160, 1532020, 1838424, 2298030, 2626320, 3064040, 3676848, 4596060, 6128080, 9192120, 18384240]

約数ペア:

[(1, 18384240), (2, 9192120), (3, 6128080), (4, 4596060), (5, 3676848), (6, 3064040), (7, 2626320), (8, 2298030), (10, 1838424), (12, 1532020), (14, 1313160), (15, 1225616), (16, 1149015), (20, 919212), (21, 875440), (24, 766010), (28, 656580), (30, 612808), (31, 593040), (35, 525264), (40, 459606), (42, 437720), (48, 383005), (56, 328290), (60, 306404), (62, 296520), (70, 262632), (80, 229803), (84, 218860), (93, 197680), (105, 175088), (112, 164145), (120, 153202), (124, 148260), (140, 131316), (155, 118608), (168, 109430), (186, 98840), (210, 87544), (217, 84720), (240, 76601), (248, 74130), (280, 65658), (310, 59304), (336, 54715), (353, 52080), (372, 49420), (420, 43772), (434, 42360), (465, 39536), (496, 37065), (560, 32829), (620, 29652), (651, 28240), (706, 26040), (744, 24710), (840, 21886), (868, 21180), (930, 19768), (1059, 17360), (1085, 16944), (1240, 14826), (1302, 14120), (1412, 13020), (1488, 12355), (1680, 10943), (1736, 10590), (1765, 10416), (1860, 9884), (2118, 8680), (2170, 8472), (2471, 7440), (2480, 7413), (2604, 7060), (2824, 6510), (3255, 5648), (3472, 5295), (3530, 5208), (3720, 4942), (4236, 4340)]