1640998128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 240

約数和(自身を含む): 5378766848

約数和(自身を除く): 3737768720

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 121, 132, 154, 168, 176, 181, 223, 231, 242, 264, 308, 336, 362, 363, 446, 462, 484, 528, 543, 616, 669, 724, 726, 847, 892, 924, 968, 1086, 1232, 1267, 1338, 1448, 1452, 1561, 1694, 1784, 1848, 1936, 1991, 2172, 2453, 2534, 2541, 2676, 2896, 2904, 3122, 3388, 3568, 3696, 3801, 3982, 4344, 4683, 4906, 5068, 5082, 5352, 5808, 5973, 6244, 6776, 7359, 7602, 7964, 8688, 9366, 9812, 10136, 10164, 10704, 11946, 12488, 13552, 13937, 14718, 15204, 15928, 17171, 18732, 19624, 20272, 20328, 21901, 23892, 24976, 26983, 27874, 29436, 30408, 31856, 34342, 37464, 39248, 40363, 40656, 41811, 43802, 47784, 51513, 53966, 55748, 58872, 60816, 65703, 68684, 74928, 80726, 80949, 83622, 87604, 95568, 103026, 107932, 111496, 117744, 121089, 131406, 137368, 153307, 161452, 161898, 167244, 175208, 188881, 206052, 215864, 222992, 242178, 262812, 274736, 282541, 306614, 322904, 323796, 334488, 350416, 377762, 412104, 431728, 443993, 459921, 484356, 525624, 565082, 566643, 613228, 645808, 647592, 668976, 755524, 824208, 847623, 887986, 919842, 968712, 1051248, 1130164, 1133286, 1226456, 1295184, 1331979, 1511048, 1695246, 1775972, 1839684, 1937424, 2260328, 2266572, 2452912, 2663958, 3022096, 3107951, 3390492, 3551944, 3679368, 4520656, 4533144, 4883923, 5327916, 6215902, 6780984, 7103888, 7358736, 9066288, 9323853, 9767846, 10655832, 12431804, 13561968, 14651769, 18647706, 19535692, 21311664, 24863608, 29303538, 34187461, 37295412, 39071384, 49727216, 58607076, 68374922, 74590824, 78142768, 102562383, 117214152, 136749844, 149181648, 205124766, 234428304, 273499688, 410249532, 546999376, 820499064, 1640998128]

約数ペア:

[(1, 1640998128), (2, 820499064), (3, 546999376), (4, 410249532), (6, 273499688), (7, 234428304), (8, 205124766), (11, 149181648), (12, 136749844), (14, 117214152), (16, 102562383), (21, 78142768), (22, 74590824), (24, 68374922), (28, 58607076), (33, 49727216), (42, 39071384), (44, 37295412), (48, 34187461), (56, 29303538), (66, 24863608), (77, 21311664), (84, 19535692), (88, 18647706), (112, 14651769), (121, 13561968), (132, 12431804), (154, 10655832), (168, 9767846), (176, 9323853), (181, 9066288), (223, 7358736), (231, 7103888), (242, 6780984), (264, 6215902), (308, 5327916), (336, 4883923), (362, 4533144), (363, 4520656), (446, 3679368), (462, 3551944), (484, 3390492), (528, 3107951), (543, 3022096), (616, 2663958), (669, 2452912), (724, 2266572), (726, 2260328), (847, 1937424), (892, 1839684), (924, 1775972), (968, 1695246), (1086, 1511048), (1232, 1331979), (1267, 1295184), (1338, 1226456), (1448, 1133286), (1452, 1130164), (1561, 1051248), (1694, 968712), (1784, 919842), (1848, 887986), (1936, 847623), (1991, 824208), (2172, 755524), (2453, 668976), (2534, 647592), (2541, 645808), (2676, 613228), (2896, 566643), (2904, 565082), (3122, 525624), (3388, 484356), (3568, 459921), (3696, 443993), (3801, 431728), (3982, 412104), (4344, 377762), (4683, 350416), (4906, 334488), (5068, 323796), (5082, 322904), (5352, 306614), (5808, 282541), (5973, 274736), (6244, 262812), (6776, 242178), (7359, 222992), (7602, 215864), (7964, 206052), (8688, 188881), (9366, 175208), (9812, 167244), (10136, 161898), (10164, 161452), (10704, 153307), (11946, 137368), (12488, 131406), (13552, 121089), (13937, 117744), (14718, 111496), (15204, 107932), (15928, 103026), (17171, 95568), (18732, 87604), (19624, 83622), (20272, 80949), (20328, 80726), (21901, 74928), (23892, 68684), (24976, 65703), (26983, 60816), (27874, 58872), (29436, 55748), (30408, 53966), (31856, 51513), (34342, 47784), (37464, 43802), (39248, 41811), (40363, 40656)]