15286720

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 112

約数和(自身を含む): 39794688

約数和(自身を除く): 24507968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 67, 80, 92, 115, 124, 134, 155, 160, 184, 230, 248, 268, 310, 320, 335, 368, 460, 496, 536, 620, 670, 713, 736, 920, 992, 1072, 1240, 1340, 1426, 1472, 1541, 1840, 1984, 2077, 2144, 2480, 2680, 2852, 3082, 3565, 3680, 4154, 4288, 4960, 5360, 5704, 6164, 7130, 7360, 7705, 8308, 9920, 10385, 10720, 11408, 12328, 14260, 15410, 16616, 20770, 21440, 22816, 24656, 28520, 30820, 33232, 41540, 45632, 47771, 49312, 57040, 61640, 66464, 83080, 95542, 98624, 114080, 123280, 132928, 166160, 191084, 228160, 238855, 246560, 332320, 382168, 477710, 493120, 664640, 764336, 955420, 1528672, 1910840, 3057344, 3821680, 7643360, 15286720]

約数ペア:

[(1, 15286720), (2, 7643360), (4, 3821680), (5, 3057344), (8, 1910840), (10, 1528672), (16, 955420), (20, 764336), (23, 664640), (31, 493120), (32, 477710), (40, 382168), (46, 332320), (62, 246560), (64, 238855), (67, 228160), (80, 191084), (92, 166160), (115, 132928), (124, 123280), (134, 114080), (155, 98624), (160, 95542), (184, 83080), (230, 66464), (248, 61640), (268, 57040), (310, 49312), (320, 47771), (335, 45632), (368, 41540), (460, 33232), (496, 30820), (536, 28520), (620, 24656), (670, 22816), (713, 21440), (736, 20770), (920, 16616), (992, 15410), (1072, 14260), (1240, 12328), (1340, 11408), (1426, 10720), (1472, 10385), (1541, 9920), (1840, 8308), (1984, 7705), (2077, 7360), (2144, 7130), (2480, 6164), (2680, 5704), (2852, 5360), (3082, 4960), (3565, 4288), (3680, 4154)]