139538720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 367429608

約数和(自身を除く): 227890888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 61, 68, 80, 85, 116, 122, 136, 145, 160, 170, 232, 244, 272, 290, 305, 340, 464, 488, 493, 544, 580, 610, 680, 841, 928, 976, 986, 1037, 1160, 1220, 1360, 1682, 1769, 1952, 1972, 2074, 2320, 2440, 2465, 2720, 3364, 3538, 3944, 4148, 4205, 4640, 4880, 4930, 5185, 6728, 7076, 7888, 8296, 8410, 8845, 9760, 9860, 10370, 13456, 14152, 14297, 15776, 16592, 16820, 17690, 19720, 20740, 26912, 28304, 28594, 30073, 33184, 33640, 35380, 39440, 41480, 51301, 56608, 57188, 60146, 67280, 70760, 71485, 78880, 82960, 102602, 114376, 120292, 134560, 141520, 142970, 150365, 165920, 205204, 228752, 240584, 256505, 283040, 285940, 300730, 410408, 457504, 481168, 513010, 571880, 601460, 820816, 872117, 962336, 1026020, 1143760, 1202920, 1641632, 1744234, 2052040, 2287520, 2405840, 3488468, 4104080, 4360585, 4811680, 6976936, 8208160, 8721170, 13953872, 17442340, 27907744, 34884680, 69769360, 139538720]

約数ペア:

[(1, 139538720), (2, 69769360), (4, 34884680), (5, 27907744), (8, 17442340), (10, 13953872), (16, 8721170), (17, 8208160), (20, 6976936), (29, 4811680), (32, 4360585), (34, 4104080), (40, 3488468), (58, 2405840), (61, 2287520), (68, 2052040), (80, 1744234), (85, 1641632), (116, 1202920), (122, 1143760), (136, 1026020), (145, 962336), (160, 872117), (170, 820816), (232, 601460), (244, 571880), (272, 513010), (290, 481168), (305, 457504), (340, 410408), (464, 300730), (488, 285940), (493, 283040), (544, 256505), (580, 240584), (610, 228752), (680, 205204), (841, 165920), (928, 150365), (976, 142970), (986, 141520), (1037, 134560), (1160, 120292), (1220, 114376), (1360, 102602), (1682, 82960), (1769, 78880), (1952, 71485), (1972, 70760), (2074, 67280), (2320, 60146), (2440, 57188), (2465, 56608), (2720, 51301), (3364, 41480), (3538, 39440), (3944, 35380), (4148, 33640), (4205, 33184), (4640, 30073), (4880, 28594), (4930, 28304), (5185, 26912), (6728, 20740), (7076, 19720), (7888, 17690), (8296, 16820), (8410, 16592), (8845, 15776), (9760, 14297), (9860, 14152), (10370, 13456)]