281400320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 176

約数和(自身を含む): 740162448

約数和(自身を除く): 458762128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 61, 64, 68, 80, 85, 106, 122, 128, 136, 160, 170, 212, 244, 256, 265, 272, 305, 320, 340, 424, 488, 512, 530, 544, 610, 640, 680, 848, 901, 976, 1024, 1037, 1060, 1088, 1220, 1280, 1360, 1696, 1802, 1952, 2074, 2120, 2176, 2440, 2560, 2720, 3233, 3392, 3604, 3904, 4148, 4240, 4352, 4505, 4880, 5120, 5185, 5440, 6466, 6784, 7208, 7808, 8296, 8480, 8704, 9010, 9760, 10370, 10880, 12932, 13568, 14416, 15616, 16165, 16592, 16960, 17408, 18020, 19520, 20740, 21760, 25864, 27136, 28832, 31232, 32330, 33184, 33920, 36040, 39040, 41480, 43520, 51728, 54272, 54961, 57664, 62464, 64660, 66368, 67840, 72080, 78080, 82960, 87040, 103456, 109922, 115328, 129320, 132736, 135680, 144160, 156160, 165920, 206912, 219844, 230656, 258640, 265472, 271360, 274805, 288320, 312320, 331840, 413824, 439688, 461312, 517280, 530944, 549610, 576640, 663680, 827648, 879376, 922624, 1034560, 1061888, 1099220, 1153280, 1327360, 1655296, 1758752, 2069120, 2198440, 2306560, 2654720, 3310592, 3517504, 4138240, 4396880, 4613120, 5309440, 7035008, 8276480, 8793760, 14070016, 16552960, 17587520, 28140032, 35175040, 56280064, 70350080, 140700160, 281400320]

約数ペア:

[(1, 281400320), (2, 140700160), (4, 70350080), (5, 56280064), (8, 35175040), (10, 28140032), (16, 17587520), (17, 16552960), (20, 14070016), (32, 8793760), (34, 8276480), (40, 7035008), (53, 5309440), (61, 4613120), (64, 4396880), (68, 4138240), (80, 3517504), (85, 3310592), (106, 2654720), (122, 2306560), (128, 2198440), (136, 2069120), (160, 1758752), (170, 1655296), (212, 1327360), (244, 1153280), (256, 1099220), (265, 1061888), (272, 1034560), (305, 922624), (320, 879376), (340, 827648), (424, 663680), (488, 576640), (512, 549610), (530, 530944), (544, 517280), (610, 461312), (640, 439688), (680, 413824), (848, 331840), (901, 312320), (976, 288320), (1024, 274805), (1037, 271360), (1060, 265472), (1088, 258640), (1220, 230656), (1280, 219844), (1360, 206912), (1696, 165920), (1802, 156160), (1952, 144160), (2074, 135680), (2120, 132736), (2176, 129320), (2440, 115328), (2560, 109922), (2720, 103456), (3233, 87040), (3392, 82960), (3604, 78080), (3904, 72080), (4148, 67840), (4240, 66368), (4352, 64660), (4505, 62464), (4880, 57664), (5120, 54961), (5185, 54272), (5440, 51728), (6466, 43520), (6784, 41480), (7208, 39040), (7808, 36040), (8296, 33920), (8480, 33184), (8704, 32330), (9010, 31232), (9760, 28832), (10370, 27136), (10880, 25864), (12932, 21760), (13568, 20740), (14416, 19520), (15616, 18020), (16165, 17408), (16592, 16960)]