80534720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 112

約数和(自身を含む): 221528640

約数和(自身を除く): 140993920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 229, 280, 314, 320, 448, 458, 560, 628, 785, 916, 1099, 1120, 1145, 1256, 1570, 1603, 1832, 2198, 2240, 2290, 2512, 3140, 3206, 3664, 4396, 4580, 5024, 5495, 6280, 6412, 7328, 8015, 8792, 9160, 10048, 10990, 12560, 12824, 14656, 16030, 17584, 18320, 21980, 25120, 25648, 32060, 35168, 35953, 36640, 43960, 50240, 51296, 64120, 70336, 71906, 73280, 87920, 102592, 128240, 143812, 175840, 179765, 251671, 256480, 287624, 351680, 359530, 503342, 512960, 575248, 719060, 1006684, 1150496, 1258355, 1438120, 2013368, 2300992, 2516710, 2876240, 4026736, 5033420, 5752480, 8053472, 10066840, 11504960, 16106944, 20133680, 40267360, 80534720]

約数ペア:

[(1, 80534720), (2, 40267360), (4, 20133680), (5, 16106944), (7, 11504960), (8, 10066840), (10, 8053472), (14, 5752480), (16, 5033420), (20, 4026736), (28, 2876240), (32, 2516710), (35, 2300992), (40, 2013368), (56, 1438120), (64, 1258355), (70, 1150496), (80, 1006684), (112, 719060), (140, 575248), (157, 512960), (160, 503342), (224, 359530), (229, 351680), (280, 287624), (314, 256480), (320, 251671), (448, 179765), (458, 175840), (560, 143812), (628, 128240), (785, 102592), (916, 87920), (1099, 73280), (1120, 71906), (1145, 70336), (1256, 64120), (1570, 51296), (1603, 50240), (1832, 43960), (2198, 36640), (2240, 35953), (2290, 35168), (2512, 32060), (3140, 25648), (3206, 25120), (3664, 21980), (4396, 18320), (4580, 17584), (5024, 16030), (5495, 14656), (6280, 12824), (6412, 12560), (7328, 10990), (8015, 10048), (8792, 9160)]