73327520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 206841600

約数和(自身を除く): 133514080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 199, 224, 235, 245, 280, 329, 376, 392, 398, 470, 490, 560, 658, 752, 784, 796, 940, 980, 995, 1120, 1316, 1393, 1504, 1568, 1592, 1645, 1880, 1960, 1990, 2303, 2632, 2786, 3184, 3290, 3760, 3920, 3980, 4606, 5264, 5572, 6368, 6580, 6965, 7520, 7840, 7960, 9212, 9353, 9751, 10528, 11144, 11515, 13160, 13930, 15920, 18424, 18706, 19502, 22288, 23030, 26320, 27860, 31840, 36848, 37412, 39004, 44576, 46060, 46765, 48755, 52640, 55720, 65471, 73696, 74824, 78008, 92120, 93530, 97510, 111440, 130942, 149648, 156016, 184240, 187060, 195020, 222880, 261884, 299296, 312032, 327355, 368480, 374120, 390040, 458297, 523768, 654710, 748240, 780080, 916594, 1047536, 1309420, 1496480, 1560160, 1833188, 2095072, 2291485, 2618840, 3666376, 4582970, 5237680, 7332752, 9165940, 10475360, 14665504, 18331880, 36663760, 73327520]

約数ペア:

[(1, 73327520), (2, 36663760), (4, 18331880), (5, 14665504), (7, 10475360), (8, 9165940), (10, 7332752), (14, 5237680), (16, 4582970), (20, 3666376), (28, 2618840), (32, 2291485), (35, 2095072), (40, 1833188), (47, 1560160), (49, 1496480), (56, 1309420), (70, 1047536), (80, 916594), (94, 780080), (98, 748240), (112, 654710), (140, 523768), (160, 458297), (188, 390040), (196, 374120), (199, 368480), (224, 327355), (235, 312032), (245, 299296), (280, 261884), (329, 222880), (376, 195020), (392, 187060), (398, 184240), (470, 156016), (490, 149648), (560, 130942), (658, 111440), (752, 97510), (784, 93530), (796, 92120), (940, 78008), (980, 74824), (995, 73696), (1120, 65471), (1316, 55720), (1393, 52640), (1504, 48755), (1568, 46765), (1592, 46060), (1645, 44576), (1880, 39004), (1960, 37412), (1990, 36848), (2303, 31840), (2632, 27860), (2786, 26320), (3184, 23030), (3290, 22288), (3760, 19502), (3920, 18706), (3980, 18424), (4606, 15920), (5264, 13930), (5572, 13160), (6368, 11515), (6580, 11144), (6965, 10528), (7520, 9751), (7840, 9353), (7960, 9212)]