280224720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2971}}^1$

素因数の和:3121

約数の個数: 120

約数和(自身を含む): 948591072

約数和(自身を除く): 668366352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 524, 655, 720, 786, 1048, 1179, 1310, 1572, 1965, 2096, 2358, 2620, 2971, 3144, 3930, 4716, 5240, 5895, 5942, 6288, 7860, 8913, 9432, 10480, 11790, 11884, 14855, 15720, 17826, 18864, 23580, 23768, 26739, 29710, 31440, 35652, 44565, 47160, 47536, 53478, 59420, 71304, 89130, 94320, 106956, 118840, 133695, 142608, 178260, 213912, 237680, 267390, 356520, 389201, 427824, 534780, 713040, 778402, 1069560, 1167603, 1556804, 1946005, 2139120, 2335206, 3113608, 3502809, 3892010, 4670412, 5838015, 6227216, 7005618, 7784020, 9340824, 11676030, 14011236, 15568040, 17514045, 18681648, 23352060, 28022472, 31136080, 35028090, 46704120, 56044944, 70056180, 93408240, 140112360, 280224720]

約数ペア:

[(1, 280224720), (2, 140112360), (3, 93408240), (4, 70056180), (5, 56044944), (6, 46704120), (8, 35028090), (9, 31136080), (10, 28022472), (12, 23352060), (15, 18681648), (16, 17514045), (18, 15568040), (20, 14011236), (24, 11676030), (30, 9340824), (36, 7784020), (40, 7005618), (45, 6227216), (48, 5838015), (60, 4670412), (72, 3892010), (80, 3502809), (90, 3113608), (120, 2335206), (131, 2139120), (144, 1946005), (180, 1556804), (240, 1167603), (262, 1069560), (360, 778402), (393, 713040), (524, 534780), (655, 427824), (720, 389201), (786, 356520), (1048, 267390), (1179, 237680), (1310, 213912), (1572, 178260), (1965, 142608), (2096, 133695), (2358, 118840), (2620, 106956), (2971, 94320), (3144, 89130), (3930, 71304), (4716, 59420), (5240, 53478), (5895, 47536), (5942, 47160), (6288, 44565), (7860, 35652), (8913, 31440), (9432, 29710), (10480, 26739), (11790, 23768), (11884, 23580), (14855, 18864), (15720, 17826)]