219668480

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 112

約数和(自身を含む): 547323264

約数和(自身を除く): 327654784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 173, 248, 256, 310, 320, 346, 496, 512, 620, 640, 692, 865, 992, 1024, 1240, 1280, 1384, 1730, 1984, 2048, 2480, 2560, 2768, 3460, 3968, 4096, 4960, 5120, 5363, 5536, 6920, 7936, 8192, 9920, 10240, 10726, 11072, 13840, 15872, 19840, 20480, 21452, 22144, 26815, 27680, 31744, 39680, 40960, 42904, 44288, 53630, 55360, 63488, 79360, 85808, 88576, 107260, 110720, 126976, 158720, 171616, 177152, 214520, 221440, 253952, 317440, 343232, 354304, 429040, 442880, 634880, 686464, 708608, 858080, 885760, 1269760, 1372928, 1417216, 1716160, 1771520, 2745856, 3432320, 3543040, 5491712, 6864640, 7086080, 10983424, 13729280, 21966848, 27458560, 43933696, 54917120, 109834240, 219668480]

約数ペア:

[(1, 219668480), (2, 109834240), (4, 54917120), (5, 43933696), (8, 27458560), (10, 21966848), (16, 13729280), (20, 10983424), (31, 7086080), (32, 6864640), (40, 5491712), (62, 3543040), (64, 3432320), (80, 2745856), (124, 1771520), (128, 1716160), (155, 1417216), (160, 1372928), (173, 1269760), (248, 885760), (256, 858080), (310, 708608), (320, 686464), (346, 634880), (496, 442880), (512, 429040), (620, 354304), (640, 343232), (692, 317440), (865, 253952), (992, 221440), (1024, 214520), (1240, 177152), (1280, 171616), (1384, 158720), (1730, 126976), (1984, 110720), (2048, 107260), (2480, 88576), (2560, 85808), (2768, 79360), (3460, 63488), (3968, 55360), (4096, 53630), (4960, 44288), (5120, 42904), (5363, 40960), (5536, 39680), (6920, 31744), (7936, 27680), (8192, 26815), (9920, 22144), (10240, 21452), (10726, 20480), (11072, 19840), (13840, 15872)]