78944880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 200

約数和(自身を含む): 287584272

約数和(自身を除く): 208639392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 137, 140, 147, 168, 196, 210, 240, 245, 274, 280, 294, 336, 343, 392, 411, 420, 490, 548, 560, 588, 685, 686, 735, 784, 822, 840, 959, 980, 1029, 1096, 1176, 1370, 1372, 1470, 1644, 1680, 1715, 1918, 1960, 2055, 2058, 2192, 2352, 2401, 2740, 2744, 2877, 2940, 3288, 3430, 3836, 3920, 4110, 4116, 4795, 4802, 5145, 5480, 5488, 5754, 5880, 6576, 6713, 6860, 7203, 7672, 8220, 8232, 9590, 9604, 10290, 10960, 11508, 11760, 12005, 13426, 13720, 14385, 14406, 15344, 16440, 16464, 19180, 19208, 20139, 20580, 23016, 24010, 26852, 27440, 28770, 28812, 32880, 33565, 36015, 38360, 38416, 40278, 41160, 46032, 46991, 48020, 53704, 57540, 57624, 67130, 72030, 76720, 80556, 82320, 93982, 96040, 100695, 107408, 115080, 115248, 134260, 140973, 144060, 161112, 187964, 192080, 201390, 230160, 234955, 268520, 281946, 288120, 322224, 328937, 375928, 402780, 469910, 537040, 563892, 576240, 657874, 704865, 751856, 805560, 939820, 986811, 1127784, 1315748, 1409730, 1611120, 1644685, 1879640, 1973622, 2255568, 2631496, 2819460, 3289370, 3759280, 3947244, 4934055, 5262992, 5638920, 6578740, 7894488, 9868110, 11277840, 13157480, 15788976, 19736220, 26314960, 39472440, 78944880]

約数ペア:

[(1, 78944880), (2, 39472440), (3, 26314960), (4, 19736220), (5, 15788976), (6, 13157480), (7, 11277840), (8, 9868110), (10, 7894488), (12, 6578740), (14, 5638920), (15, 5262992), (16, 4934055), (20, 3947244), (21, 3759280), (24, 3289370), (28, 2819460), (30, 2631496), (35, 2255568), (40, 1973622), (42, 1879640), (48, 1644685), (49, 1611120), (56, 1409730), (60, 1315748), (70, 1127784), (80, 986811), (84, 939820), (98, 805560), (105, 751856), (112, 704865), (120, 657874), (137, 576240), (140, 563892), (147, 537040), (168, 469910), (196, 402780), (210, 375928), (240, 328937), (245, 322224), (274, 288120), (280, 281946), (294, 268520), (336, 234955), (343, 230160), (392, 201390), (411, 192080), (420, 187964), (490, 161112), (548, 144060), (560, 140973), (588, 134260), (685, 115248), (686, 115080), (735, 107408), (784, 100695), (822, 96040), (840, 93982), (959, 82320), (980, 80556), (1029, 76720), (1096, 72030), (1176, 67130), (1370, 57624), (1372, 57540), (1470, 53704), (1644, 48020), (1680, 46991), (1715, 46032), (1918, 41160), (1960, 40278), (2055, 38416), (2058, 38360), (2192, 36015), (2352, 33565), (2401, 32880), (2740, 28812), (2744, 28770), (2877, 27440), (2940, 26852), (3288, 24010), (3430, 23016), (3836, 20580), (3920, 20139), (4110, 19208), (4116, 19180), (4795, 16464), (4802, 16440), (5145, 15344), (5480, 14406), (5488, 14385), (5754, 13720), (5880, 13426), (6576, 12005), (6713, 11760), (6860, 11508), (7203, 10960), (7672, 10290), (8220, 9604), (8232, 9590)]