78908760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 296412480

約数和(自身を除く): 217503720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 173, 180, 181, 210, 252, 280, 315, 346, 360, 362, 420, 504, 519, 543, 630, 692, 724, 840, 865, 905, 1038, 1086, 1211, 1260, 1267, 1384, 1448, 1557, 1629, 1730, 1810, 2076, 2172, 2422, 2520, 2534, 2595, 2715, 3114, 3258, 3460, 3620, 3633, 3801, 4152, 4344, 4844, 5068, 5190, 5430, 6055, 6228, 6335, 6516, 6920, 7240, 7266, 7602, 7785, 8145, 9688, 10136, 10380, 10860, 10899, 11403, 12110, 12456, 12670, 13032, 14532, 15204, 15570, 16290, 18165, 19005, 20760, 21720, 21798, 22806, 24220, 25340, 29064, 30408, 31140, 31313, 32580, 36330, 38010, 43596, 45612, 48440, 50680, 54495, 57015, 62280, 62626, 65160, 72660, 76020, 87192, 91224, 93939, 108990, 114030, 125252, 145320, 152040, 156565, 187878, 217980, 219191, 228060, 250504, 281817, 313130, 375756, 435960, 438382, 456120, 469695, 563634, 626260, 657573, 751512, 876764, 939390, 1095955, 1127268, 1252520, 1315146, 1409085, 1753528, 1878780, 1972719, 2191910, 2254536, 2630292, 2818170, 3287865, 3757560, 3945438, 4383820, 5260584, 5636340, 6575730, 7890876, 8767640, 9863595, 11272680, 13151460, 15781752, 19727190, 26302920, 39454380, 78908760]

約数ペア:

[(1, 78908760), (2, 39454380), (3, 26302920), (4, 19727190), (5, 15781752), (6, 13151460), (7, 11272680), (8, 9863595), (9, 8767640), (10, 7890876), (12, 6575730), (14, 5636340), (15, 5260584), (18, 4383820), (20, 3945438), (21, 3757560), (24, 3287865), (28, 2818170), (30, 2630292), (35, 2254536), (36, 2191910), (40, 1972719), (42, 1878780), (45, 1753528), (56, 1409085), (60, 1315146), (63, 1252520), (70, 1127268), (72, 1095955), (84, 939390), (90, 876764), (105, 751512), (120, 657573), (126, 626260), (140, 563634), (168, 469695), (173, 456120), (180, 438382), (181, 435960), (210, 375756), (252, 313130), (280, 281817), (315, 250504), (346, 228060), (360, 219191), (362, 217980), (420, 187878), (504, 156565), (519, 152040), (543, 145320), (630, 125252), (692, 114030), (724, 108990), (840, 93939), (865, 91224), (905, 87192), (1038, 76020), (1086, 72660), (1211, 65160), (1260, 62626), (1267, 62280), (1384, 57015), (1448, 54495), (1557, 50680), (1629, 48440), (1730, 45612), (1810, 43596), (2076, 38010), (2172, 36330), (2422, 32580), (2520, 31313), (2534, 31140), (2595, 30408), (2715, 29064), (3114, 25340), (3258, 24220), (3460, 22806), (3620, 21798), (3633, 21720), (3801, 20760), (4152, 19005), (4344, 18165), (4844, 16290), (5068, 15570), (5190, 15204), (5430, 14532), (6055, 13032), (6228, 12670), (6335, 12456), (6516, 12110), (6920, 11403), (7240, 10899), (7266, 10860), (7602, 10380), (7785, 10136), (8145, 9688)]