140725120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 357799680

約数和(自身を除く): 217074560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 173, 205, 248, 310, 320, 328, 346, 410, 496, 620, 640, 656, 692, 820, 865, 992, 1240, 1271, 1312, 1384, 1640, 1730, 1984, 2480, 2542, 2624, 2768, 3280, 3460, 3968, 4960, 5084, 5248, 5363, 5536, 6355, 6560, 6920, 7093, 9920, 10168, 10726, 11072, 12710, 13120, 13840, 14186, 19840, 20336, 21452, 22144, 25420, 26240, 26815, 27680, 28372, 35465, 40672, 42904, 50840, 53630, 55360, 56744, 70930, 81344, 85808, 101680, 107260, 110720, 113488, 141860, 162688, 171616, 203360, 214520, 219883, 226976, 283720, 343232, 406720, 429040, 439766, 453952, 567440, 686464, 813440, 858080, 879532, 907904, 1099415, 1134880, 1716160, 1759064, 2198830, 2269760, 3432320, 3518128, 4397660, 4539520, 7036256, 8795320, 14072512, 17590640, 28145024, 35181280, 70362560, 140725120]

約数ペア:

[(1, 140725120), (2, 70362560), (4, 35181280), (5, 28145024), (8, 17590640), (10, 14072512), (16, 8795320), (20, 7036256), (31, 4539520), (32, 4397660), (40, 3518128), (41, 3432320), (62, 2269760), (64, 2198830), (80, 1759064), (82, 1716160), (124, 1134880), (128, 1099415), (155, 907904), (160, 879532), (164, 858080), (173, 813440), (205, 686464), (248, 567440), (310, 453952), (320, 439766), (328, 429040), (346, 406720), (410, 343232), (496, 283720), (620, 226976), (640, 219883), (656, 214520), (692, 203360), (820, 171616), (865, 162688), (992, 141860), (1240, 113488), (1271, 110720), (1312, 107260), (1384, 101680), (1640, 85808), (1730, 81344), (1984, 70930), (2480, 56744), (2542, 55360), (2624, 53630), (2768, 50840), (3280, 42904), (3460, 40672), (3968, 35465), (4960, 28372), (5084, 27680), (5248, 26815), (5363, 26240), (5536, 25420), (6355, 22144), (6560, 21452), (6920, 20336), (7093, 19840), (9920, 14186), (10168, 13840), (10726, 13120), (11072, 12710)]