74959920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 217521360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 107, 112, 120, 126, 139, 140, 144, 168, 180, 210, 214, 240, 252, 278, 280, 315, 321, 336, 360, 417, 420, 428, 504, 535, 556, 560, 630, 642, 695, 720, 749, 834, 840, 856, 963, 973, 1008, 1070, 1112, 1251, 1260, 1284, 1390, 1498, 1605, 1668, 1680, 1712, 1926, 1946, 2085, 2140, 2224, 2247, 2502, 2520, 2568, 2780, 2919, 2996, 3210, 3336, 3745, 3852, 3892, 4170, 4280, 4494, 4815, 4865, 5004, 5040, 5136, 5560, 5838, 5992, 6255, 6420, 6672, 6741, 7490, 7704, 7784, 8340, 8560, 8757, 8988, 9630, 9730, 10008, 11120, 11235, 11676, 11984, 12510, 12840, 13482, 14595, 14873, 14980, 15408, 15568, 16680, 17514, 17976, 19260, 19460, 20016, 22470, 23352, 25020, 25680, 26964, 29190, 29746, 29960, 33360, 33705, 35028, 35952, 38520, 38920, 43785, 44619, 44940, 46704, 50040, 53928, 58380, 59492, 59920, 67410, 70056, 74365, 77040, 77840, 87570, 89238, 89880, 100080, 104111, 107856, 116760, 118984, 133857, 134820, 140112, 148730, 175140, 178476, 179760, 208222, 223095, 233520, 237968, 267714, 269640, 297460, 312333, 350280, 356952, 416444, 446190, 520555, 535428, 539280, 594920, 624666, 669285, 700560, 713904, 832888, 892380, 936999, 1041110, 1070856, 1189840, 1249332, 1338570, 1561665, 1665776, 1784760, 1873998, 2082220, 2141712, 2498664, 2677140, 3123330, 3569520, 3747996, 4164440, 4684995, 4997328, 5354280, 6246660, 7495992, 8328880, 9369990, 10708560, 12493320, 14991984, 18739980, 24986640, 37479960, 74959920]

約数ペア:

[(1, 74959920), (2, 37479960), (3, 24986640), (4, 18739980), (5, 14991984), (6, 12493320), (7, 10708560), (8, 9369990), (9, 8328880), (10, 7495992), (12, 6246660), (14, 5354280), (15, 4997328), (16, 4684995), (18, 4164440), (20, 3747996), (21, 3569520), (24, 3123330), (28, 2677140), (30, 2498664), (35, 2141712), (36, 2082220), (40, 1873998), (42, 1784760), (45, 1665776), (48, 1561665), (56, 1338570), (60, 1249332), (63, 1189840), (70, 1070856), (72, 1041110), (80, 936999), (84, 892380), (90, 832888), (105, 713904), (107, 700560), (112, 669285), (120, 624666), (126, 594920), (139, 539280), (140, 535428), (144, 520555), (168, 446190), (180, 416444), (210, 356952), (214, 350280), (240, 312333), (252, 297460), (278, 269640), (280, 267714), (315, 237968), (321, 233520), (336, 223095), (360, 208222), (417, 179760), (420, 178476), (428, 175140), (504, 148730), (535, 140112), (556, 134820), (560, 133857), (630, 118984), (642, 116760), (695, 107856), (720, 104111), (749, 100080), (834, 89880), (840, 89238), (856, 87570), (963, 77840), (973, 77040), (1008, 74365), (1070, 70056), (1112, 67410), (1251, 59920), (1260, 59492), (1284, 58380), (1390, 53928), (1498, 50040), (1605, 46704), (1668, 44940), (1680, 44619), (1712, 43785), (1926, 38920), (1946, 38520), (2085, 35952), (2140, 35028), (2224, 33705), (2247, 33360), (2502, 29960), (2520, 29746), (2568, 29190), (2780, 26964), (2919, 25680), (2996, 25020), (3210, 23352), (3336, 22470), (3745, 20016), (3852, 19460), (3892, 19260), (4170, 17976), (4280, 17514), (4494, 16680), (4815, 15568), (4865, 15408), (5004, 14980), (5040, 14873), (5136, 14595), (5560, 13482), (5838, 12840), (5992, 12510), (6255, 11984), (6420, 11676), (6672, 11235), (6741, 11120), (7490, 10008), (7704, 9730), (7784, 9630), (8340, 8988), (8560, 8757)]