1389117440

素因数分解:

$2^{14}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 120

約数和(自身を含む): 3447612672

約数和(自身を除く): 2058495232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 547, 620, 640, 992, 1024, 1094, 1240, 1280, 1984, 2048, 2188, 2480, 2560, 2735, 3968, 4096, 4376, 4960, 5120, 5470, 7936, 8192, 8752, 9920, 10240, 10940, 15872, 16384, 16957, 17504, 19840, 20480, 21880, 31744, 33914, 35008, 39680, 40960, 43760, 63488, 67828, 70016, 79360, 81920, 84785, 87520, 126976, 135656, 140032, 158720, 169570, 175040, 253952, 271312, 280064, 317440, 339140, 350080, 507904, 542624, 560128, 634880, 678280, 700160, 1085248, 1120256, 1269760, 1356560, 1400320, 2170496, 2240512, 2539520, 2713120, 2800640, 4340992, 4481024, 5426240, 5601280, 8681984, 8962048, 10852480, 11202560, 17363968, 21704960, 22405120, 34727936, 43409920, 44810240, 69455872, 86819840, 138911744, 173639680, 277823488, 347279360, 694558720, 1389117440]

約数ペア:

[(1, 1389117440), (2, 694558720), (4, 347279360), (5, 277823488), (8, 173639680), (10, 138911744), (16, 86819840), (20, 69455872), (31, 44810240), (32, 43409920), (40, 34727936), (62, 22405120), (64, 21704960), (80, 17363968), (124, 11202560), (128, 10852480), (155, 8962048), (160, 8681984), (248, 5601280), (256, 5426240), (310, 4481024), (320, 4340992), (496, 2800640), (512, 2713120), (547, 2539520), (620, 2240512), (640, 2170496), (992, 1400320), (1024, 1356560), (1094, 1269760), (1240, 1120256), (1280, 1085248), (1984, 700160), (2048, 678280), (2188, 634880), (2480, 560128), (2560, 542624), (2735, 507904), (3968, 350080), (4096, 339140), (4376, 317440), (4960, 280064), (5120, 271312), (5470, 253952), (7936, 175040), (8192, 169570), (8752, 158720), (9920, 140032), (10240, 135656), (10940, 126976), (15872, 87520), (16384, 84785), (16957, 81920), (17504, 79360), (19840, 70016), (20480, 67828), (21880, 63488), (31744, 43760), (33914, 40960), (35008, 39680)]