61201980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 216

約数和(自身を含む): 224825328

約数和(自身を除く): 163623348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 257, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 514, 540, 567, 588, 630, 735, 756, 771, 810, 882, 945, 972, 980, 1028, 1134, 1215, 1260, 1285, 1323, 1470, 1542, 1620, 1701, 1764, 1799, 1890, 2205, 2268, 2313, 2430, 2570, 2646, 2835, 2940, 3084, 3402, 3598, 3780, 3855, 3969, 4410, 4626, 4860, 5140, 5292, 5397, 5670, 6615, 6804, 6939, 7196, 7710, 7938, 8505, 8820, 8995, 9252, 10794, 11340, 11565, 11907, 12593, 13230, 13878, 15420, 15876, 16191, 17010, 17990, 19845, 20817, 21588, 23130, 23814, 25186, 26460, 26985, 27756, 32382, 34020, 34695, 35980, 37779, 39690, 41634, 46260, 47628, 48573, 50372, 53970, 59535, 62451, 62965, 64764, 69390, 75558, 79380, 80955, 83268, 97146, 104085, 107940, 113337, 119070, 124902, 125930, 138780, 145719, 151116, 161910, 188895, 194292, 208170, 226674, 238140, 242865, 249804, 251860, 291438, 312255, 323820, 340011, 377790, 416340, 437157, 453348, 485730, 566685, 582876, 624510, 680022, 728595, 755580, 874314, 971460, 1020033, 1133370, 1249020, 1360044, 1457190, 1700055, 1748628, 2040066, 2185785, 2266740, 2914380, 3060099, 3400110, 4080132, 4371570, 5100165, 6120198, 6800220, 8743140, 10200330, 12240396, 15300495, 20400660, 30600990, 61201980]

約数ペア:

[(1, 61201980), (2, 30600990), (3, 20400660), (4, 15300495), (5, 12240396), (6, 10200330), (7, 8743140), (9, 6800220), (10, 6120198), (12, 5100165), (14, 4371570), (15, 4080132), (18, 3400110), (20, 3060099), (21, 2914380), (27, 2266740), (28, 2185785), (30, 2040066), (35, 1748628), (36, 1700055), (42, 1457190), (45, 1360044), (49, 1249020), (54, 1133370), (60, 1020033), (63, 971460), (70, 874314), (81, 755580), (84, 728595), (90, 680022), (98, 624510), (105, 582876), (108, 566685), (126, 485730), (135, 453348), (140, 437157), (147, 416340), (162, 377790), (180, 340011), (189, 323820), (196, 312255), (210, 291438), (243, 251860), (245, 249804), (252, 242865), (257, 238140), (270, 226674), (294, 208170), (315, 194292), (324, 188895), (378, 161910), (405, 151116), (420, 145719), (441, 138780), (486, 125930), (490, 124902), (514, 119070), (540, 113337), (567, 107940), (588, 104085), (630, 97146), (735, 83268), (756, 80955), (771, 79380), (810, 75558), (882, 69390), (945, 64764), (972, 62965), (980, 62451), (1028, 59535), (1134, 53970), (1215, 50372), (1260, 48573), (1285, 47628), (1323, 46260), (1470, 41634), (1542, 39690), (1620, 37779), (1701, 35980), (1764, 34695), (1799, 34020), (1890, 32382), (2205, 27756), (2268, 26985), (2313, 26460), (2430, 25186), (2570, 23814), (2646, 23130), (2835, 21588), (2940, 20817), (3084, 19845), (3402, 17990), (3598, 17010), (3780, 16191), (3855, 15876), (3969, 15420), (4410, 13878), (4626, 13230), (4860, 12593), (5140, 11907), (5292, 11565), (5397, 11340), (5670, 10794), (6615, 9252), (6804, 8995), (6939, 8820), (7196, 8505), (7710, 7938)]