205605960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 728870400

約数和(自身を除く): 523264440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 73, 84, 98, 105, 120, 140, 146, 147, 168, 196, 210, 219, 245, 280, 292, 294, 365, 392, 420, 438, 479, 490, 511, 584, 588, 730, 735, 840, 876, 958, 980, 1022, 1095, 1176, 1437, 1460, 1470, 1533, 1752, 1916, 1960, 2044, 2190, 2395, 2555, 2874, 2920, 2940, 3066, 3353, 3577, 3832, 4088, 4380, 4790, 5110, 5748, 5880, 6132, 6706, 7154, 7185, 7665, 8760, 9580, 10059, 10220, 10731, 11496, 12264, 13412, 14308, 14370, 15330, 16765, 17885, 19160, 20118, 20440, 21462, 23471, 26824, 28616, 28740, 30660, 33530, 34967, 35770, 40236, 42924, 46942, 50295, 53655, 57480, 61320, 67060, 69934, 70413, 71540, 80472, 85848, 93884, 100590, 104901, 107310, 117355, 134120, 139868, 140826, 143080, 174835, 187768, 201180, 209802, 214620, 234710, 244769, 279736, 281652, 349670, 352065, 402360, 419604, 429240, 469420, 489538, 524505, 563304, 699340, 704130, 734307, 839208, 938840, 979076, 1049010, 1223845, 1398680, 1408260, 1468614, 1713383, 1958152, 2098020, 2447690, 2816520, 2937228, 3426766, 3671535, 4196040, 4895380, 5140149, 5874456, 6853532, 7343070, 8566915, 9790760, 10280298, 13707064, 14686140, 17133830, 20560596, 25700745, 29372280, 34267660, 41121192, 51401490, 68535320, 102802980, 205605960]

約数ペア:

[(1, 205605960), (2, 102802980), (3, 68535320), (4, 51401490), (5, 41121192), (6, 34267660), (7, 29372280), (8, 25700745), (10, 20560596), (12, 17133830), (14, 14686140), (15, 13707064), (20, 10280298), (21, 9790760), (24, 8566915), (28, 7343070), (30, 6853532), (35, 5874456), (40, 5140149), (42, 4895380), (49, 4196040), (56, 3671535), (60, 3426766), (70, 2937228), (73, 2816520), (84, 2447690), (98, 2098020), (105, 1958152), (120, 1713383), (140, 1468614), (146, 1408260), (147, 1398680), (168, 1223845), (196, 1049010), (210, 979076), (219, 938840), (245, 839208), (280, 734307), (292, 704130), (294, 699340), (365, 563304), (392, 524505), (420, 489538), (438, 469420), (479, 429240), (490, 419604), (511, 402360), (584, 352065), (588, 349670), (730, 281652), (735, 279736), (840, 244769), (876, 234710), (958, 214620), (980, 209802), (1022, 201180), (1095, 187768), (1176, 174835), (1437, 143080), (1460, 140826), (1470, 139868), (1533, 134120), (1752, 117355), (1916, 107310), (1960, 104901), (2044, 100590), (2190, 93884), (2395, 85848), (2555, 80472), (2874, 71540), (2920, 70413), (2940, 69934), (3066, 67060), (3353, 61320), (3577, 57480), (3832, 53655), (4088, 50295), (4380, 46942), (4790, 42924), (5110, 40236), (5748, 35770), (5880, 34967), (6132, 33530), (6706, 30660), (7154, 28740), (7185, 28616), (7665, 26824), (8760, 23471), (9580, 21462), (10059, 20440), (10220, 20118), (10731, 19160), (11496, 17885), (12264, 16765), (13412, 15330), (14308, 14370)]