640640832

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 224

約数和(自身を含む): 1922629632

約数和(自身を除く): 1281988800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 47, 48, 52, 64, 78, 86, 94, 96, 104, 127, 129, 141, 156, 172, 188, 192, 208, 254, 258, 282, 312, 344, 376, 381, 416, 508, 516, 559, 564, 611, 624, 688, 752, 762, 832, 1016, 1032, 1118, 1128, 1222, 1248, 1376, 1504, 1524, 1651, 1677, 1833, 2021, 2032, 2064, 2236, 2256, 2444, 2496, 2752, 3008, 3048, 3302, 3354, 3666, 4042, 4064, 4128, 4472, 4512, 4888, 4953, 5461, 5969, 6063, 6096, 6604, 6708, 7332, 8084, 8128, 8256, 8944, 9024, 9776, 9906, 10922, 11938, 12126, 12192, 13208, 13416, 14664, 16168, 16383, 17888, 17907, 19552, 19812, 21844, 23876, 24252, 24384, 26273, 26416, 26832, 29328, 32336, 32766, 35776, 35814, 39104, 39624, 43688, 47752, 48504, 52546, 52832, 53664, 58656, 64672, 65532, 70993, 71628, 77597, 78819, 79248, 87376, 95504, 97008, 105092, 105664, 107328, 117312, 129344, 131064, 141986, 143256, 155194, 157638, 158496, 174752, 191008, 194016, 210184, 212979, 232791, 256667, 262128, 283972, 286512, 310388, 315276, 316992, 349504, 382016, 388032, 420368, 425958, 465582, 513334, 524256, 567944, 573024, 620776, 630552, 770001, 840736, 851916, 931164, 1026668, 1048512, 1135888, 1146048, 1241552, 1261104, 1540002, 1681472, 1703832, 1862328, 2053336, 2271776, 2483104, 2522208, 3080004, 3336671, 3407664, 3724656, 4106672, 4543552, 4966208, 5044416, 6160008, 6673342, 6815328, 7449312, 8213344, 10010013, 12320016, 13346684, 13630656, 14898624, 16426688, 20020026, 24640032, 26693368, 40040052, 49280064, 53386736, 80080104, 106773472, 160160208, 213546944, 320320416, 640640832]

約数ペア:

[(1, 640640832), (2, 320320416), (3, 213546944), (4, 160160208), (6, 106773472), (8, 80080104), (12, 53386736), (13, 49280064), (16, 40040052), (24, 26693368), (26, 24640032), (32, 20020026), (39, 16426688), (43, 14898624), (47, 13630656), (48, 13346684), (52, 12320016), (64, 10010013), (78, 8213344), (86, 7449312), (94, 6815328), (96, 6673342), (104, 6160008), (127, 5044416), (129, 4966208), (141, 4543552), (156, 4106672), (172, 3724656), (188, 3407664), (192, 3336671), (208, 3080004), (254, 2522208), (258, 2483104), (282, 2271776), (312, 2053336), (344, 1862328), (376, 1703832), (381, 1681472), (416, 1540002), (508, 1261104), (516, 1241552), (559, 1146048), (564, 1135888), (611, 1048512), (624, 1026668), (688, 931164), (752, 851916), (762, 840736), (832, 770001), (1016, 630552), (1032, 620776), (1118, 573024), (1128, 567944), (1222, 524256), (1248, 513334), (1376, 465582), (1504, 425958), (1524, 420368), (1651, 388032), (1677, 382016), (1833, 349504), (2021, 316992), (2032, 315276), (2064, 310388), (2236, 286512), (2256, 283972), (2444, 262128), (2496, 256667), (2752, 232791), (3008, 212979), (3048, 210184), (3302, 194016), (3354, 191008), (3666, 174752), (4042, 158496), (4064, 157638), (4128, 155194), (4472, 143256), (4512, 141986), (4888, 131064), (4953, 129344), (5461, 117312), (5969, 107328), (6063, 105664), (6096, 105092), (6604, 97008), (6708, 95504), (7332, 87376), (8084, 79248), (8128, 78819), (8256, 77597), (8944, 71628), (9024, 70993), (9776, 65532), (9906, 64672), (10922, 58656), (11938, 53664), (12126, 52832), (12192, 52546), (13208, 48504), (13416, 47752), (14664, 43688), (16168, 39624), (16383, 39104), (17888, 35814), (17907, 35776), (19552, 32766), (19812, 32336), (21844, 29328), (23876, 26832), (24252, 26416), (24384, 26273)]