28375560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 97051500

約数和(自身を除く): 68675940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 149, 180, 184, 207, 230, 276, 298, 345, 360, 414, 447, 460, 529, 552, 596, 690, 745, 828, 894, 920, 1035, 1058, 1192, 1341, 1380, 1490, 1587, 1656, 1788, 2070, 2116, 2235, 2645, 2682, 2760, 2980, 3174, 3427, 3576, 4140, 4232, 4470, 4761, 5290, 5364, 5960, 6348, 6705, 6854, 7935, 8280, 8940, 9522, 10281, 10580, 10728, 12696, 13410, 13708, 15870, 17135, 17880, 19044, 20562, 21160, 23805, 26820, 27416, 30843, 31740, 34270, 38088, 41124, 47610, 51405, 53640, 61686, 63480, 68540, 78821, 82248, 95220, 102810, 123372, 137080, 154215, 157642, 190440, 205620, 236463, 246744, 308430, 315284, 394105, 411240, 472926, 616860, 630568, 709389, 788210, 945852, 1182315, 1233720, 1418778, 1576420, 1891704, 2364630, 2837556, 3152840, 3546945, 4729260, 5675112, 7093890, 9458520, 14187780, 28375560]

約数ペア:

[(1, 28375560), (2, 14187780), (3, 9458520), (4, 7093890), (5, 5675112), (6, 4729260), (8, 3546945), (9, 3152840), (10, 2837556), (12, 2364630), (15, 1891704), (18, 1576420), (20, 1418778), (23, 1233720), (24, 1182315), (30, 945852), (36, 788210), (40, 709389), (45, 630568), (46, 616860), (60, 472926), (69, 411240), (72, 394105), (90, 315284), (92, 308430), (115, 246744), (120, 236463), (138, 205620), (149, 190440), (180, 157642), (184, 154215), (207, 137080), (230, 123372), (276, 102810), (298, 95220), (345, 82248), (360, 78821), (414, 68540), (447, 63480), (460, 61686), (529, 53640), (552, 51405), (596, 47610), (690, 41124), (745, 38088), (828, 34270), (894, 31740), (920, 30843), (1035, 27416), (1058, 26820), (1192, 23805), (1341, 21160), (1380, 20562), (1490, 19044), (1587, 17880), (1656, 17135), (1788, 15870), (2070, 13708), (2116, 13410), (2235, 12696), (2645, 10728), (2682, 10580), (2760, 10281), (2980, 9522), (3174, 8940), (3427, 8280), (3576, 7935), (4140, 6854), (4232, 6705), (4470, 6348), (4761, 5960), (5290, 5364)]