2778234880

素因数分解:

$2^{15}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 6895330560

約数和(自身を除く): 4117095680

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, 32768, 33914, 35008, 39680, 40960, 43760, 63488, 67828, 70016, 79360, 81920, 84785, 87520, 126976, 135656, 140032, 158720, 163840, 169570, 175040, 253952, 271312, 280064, 317440, 339140, 350080, 507904, 542624, 560128, 634880, 678280, 700160, 1015808, 1085248, 1120256, 1269760, 1356560, 1400320, 2170496, 2240512, 2539520, 2713120, 2800640, 4340992, 4481024, 5079040, 5426240, 5601280, 8681984, 8962048, 10852480, 11202560, 17363968, 17924096, 21704960, 22405120, 34727936, 43409920, 44810240, 69455872, 86819840, 89620480, 138911744, 173639680, 277823488, 347279360, 555646976, 694558720, 1389117440, 2778234880]

約数ペア:

[(1, 2778234880), (2, 1389117440), (4, 694558720), (5, 555646976), (8, 347279360), (10, 277823488), (16, 173639680), (20, 138911744), (31, 89620480), (32, 86819840), (40, 69455872), (62, 44810240), (64, 43409920), (80, 34727936), (124, 22405120), (128, 21704960), (155, 17924096), (160, 17363968), (248, 11202560), (256, 10852480), (310, 8962048), (320, 8681984), (496, 5601280), (512, 5426240), (547, 5079040), (620, 4481024), (640, 4340992), (992, 2800640), (1024, 2713120), (1094, 2539520), (1240, 2240512), (1280, 2170496), (1984, 1400320), (2048, 1356560), (2188, 1269760), (2480, 1120256), (2560, 1085248), (2735, 1015808), (3968, 700160), (4096, 678280), (4376, 634880), (4960, 560128), (5120, 542624), (5470, 507904), (7936, 350080), (8192, 339140), (8752, 317440), (9920, 280064), (10240, 271312), (10940, 253952), (15872, 175040), (16384, 169570), (16957, 163840), (17504, 158720), (19840, 140032), (20480, 135656), (21880, 126976), (31744, 87520), (32768, 84785), (33914, 81920), (35008, 79360), (39680, 70016), (40960, 67828), (43760, 63488)]