851215360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 132

約数和(自身を含む): 2122108524

約数和(自身を除く): 1270893164

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, 961, 992, 1024, 1240, 1280, 1384, 1730, 1922, 1984, 2480, 2560, 2768, 3460, 3844, 3968, 4805, 4960, 5120, 5363, 5536, 6920, 7688, 7936, 9610, 9920, 10726, 11072, 13840, 15376, 15872, 19220, 19840, 21452, 22144, 26815, 27680, 30752, 31744, 38440, 39680, 42904, 44288, 53630, 55360, 61504, 76880, 79360, 85808, 88576, 107260, 110720, 123008, 153760, 158720, 166253, 171616, 177152, 214520, 221440, 246016, 307520, 332506, 343232, 429040, 442880, 492032, 615040, 665012, 686464, 831265, 858080, 885760, 984064, 1230080, 1330024, 1372928, 1662530, 1716160, 2460160, 2660048, 2745856, 3325060, 3432320, 4920320, 5320096, 5491712, 6650120, 6864640, 10640192, 13300240, 13729280, 21280384, 26600480, 27458560, 42560768, 53200960, 85121536, 106401920, 170243072, 212803840, 425607680, 851215360]

約数ペア:

[(1, 851215360), (2, 425607680), (4, 212803840), (5, 170243072), (8, 106401920), (10, 85121536), (16, 53200960), (20, 42560768), (31, 27458560), (32, 26600480), (40, 21280384), (62, 13729280), (64, 13300240), (80, 10640192), (124, 6864640), (128, 6650120), (155, 5491712), (160, 5320096), (173, 4920320), (248, 3432320), (256, 3325060), (310, 2745856), (320, 2660048), (346, 2460160), (496, 1716160), (512, 1662530), (620, 1372928), (640, 1330024), (692, 1230080), (865, 984064), (961, 885760), (992, 858080), (1024, 831265), (1240, 686464), (1280, 665012), (1384, 615040), (1730, 492032), (1922, 442880), (1984, 429040), (2480, 343232), (2560, 332506), (2768, 307520), (3460, 246016), (3844, 221440), (3968, 214520), (4805, 177152), (4960, 171616), (5120, 166253), (5363, 158720), (5536, 153760), (6920, 123008), (7688, 110720), (7936, 107260), (9610, 88576), (9920, 85808), (10726, 79360), (11072, 76880), (13840, 61504), (15376, 55360), (15872, 53630), (19220, 44288), (19840, 42904), (21452, 39680), (22144, 38440), (26815, 31744), (27680, 30752)]