15825840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 53139456

約数和(自身を除く): 37313616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 61, 69, 80, 92, 94, 115, 120, 122, 138, 141, 183, 184, 188, 230, 235, 240, 244, 276, 282, 305, 345, 366, 368, 376, 460, 470, 488, 552, 564, 610, 690, 705, 732, 752, 915, 920, 940, 976, 1081, 1104, 1128, 1220, 1380, 1403, 1410, 1464, 1830, 1840, 1880, 2162, 2256, 2440, 2760, 2806, 2820, 2867, 2928, 3243, 3660, 3760, 4209, 4324, 4880, 5405, 5520, 5612, 5640, 5734, 6486, 7015, 7320, 8418, 8601, 8648, 10810, 11224, 11280, 11468, 12972, 14030, 14335, 14640, 16215, 16836, 17202, 17296, 21045, 21620, 22448, 22936, 25944, 28060, 28670, 32430, 33672, 34404, 42090, 43005, 43240, 45872, 51888, 56120, 57340, 64860, 65941, 67344, 68808, 84180, 86010, 86480, 112240, 114680, 129720, 131882, 137616, 168360, 172020, 197823, 229360, 259440, 263764, 329705, 336720, 344040, 395646, 527528, 659410, 688080, 791292, 989115, 1055056, 1318820, 1582584, 1978230, 2637640, 3165168, 3956460, 5275280, 7912920, 15825840]

約数ペア:

[(1, 15825840), (2, 7912920), (3, 5275280), (4, 3956460), (5, 3165168), (6, 2637640), (8, 1978230), (10, 1582584), (12, 1318820), (15, 1055056), (16, 989115), (20, 791292), (23, 688080), (24, 659410), (30, 527528), (40, 395646), (46, 344040), (47, 336720), (48, 329705), (60, 263764), (61, 259440), (69, 229360), (80, 197823), (92, 172020), (94, 168360), (115, 137616), (120, 131882), (122, 129720), (138, 114680), (141, 112240), (183, 86480), (184, 86010), (188, 84180), (230, 68808), (235, 67344), (240, 65941), (244, 64860), (276, 57340), (282, 56120), (305, 51888), (345, 45872), (366, 43240), (368, 43005), (376, 42090), (460, 34404), (470, 33672), (488, 32430), (552, 28670), (564, 28060), (610, 25944), (690, 22936), (705, 22448), (732, 21620), (752, 21045), (915, 17296), (920, 17202), (940, 16836), (976, 16215), (1081, 14640), (1104, 14335), (1128, 14030), (1220, 12972), (1380, 11468), (1403, 11280), (1410, 11224), (1464, 10810), (1830, 8648), (1840, 8601), (1880, 8418), (2162, 7320), (2256, 7015), (2440, 6486), (2760, 5734), (2806, 5640), (2820, 5612), (2867, 5520), (2928, 5405), (3243, 4880), (3660, 4324), (3760, 4209)]