213295560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 674784000

約数和(自身を除く): 461488440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 109, 115, 120, 138, 184, 218, 230, 276, 327, 345, 436, 460, 545, 552, 654, 690, 709, 872, 920, 1090, 1308, 1380, 1418, 1635, 2127, 2180, 2507, 2616, 2760, 2836, 3270, 3545, 4254, 4360, 5014, 5672, 6540, 7090, 7521, 8508, 10028, 10635, 12535, 13080, 14180, 15042, 16307, 17016, 20056, 21270, 25070, 28360, 30084, 32614, 37605, 42540, 48921, 50140, 60168, 65228, 75210, 77281, 81535, 85080, 97842, 100280, 130456, 150420, 154562, 163070, 195684, 231843, 244605, 300840, 309124, 326140, 386405, 391368, 463686, 489210, 618248, 652280, 772810, 927372, 978420, 1159215, 1545620, 1777463, 1854744, 1956840, 2318430, 3091240, 3554926, 4636860, 5332389, 7109852, 8887315, 9273720, 10664778, 14219704, 17774630, 21329556, 26661945, 35549260, 42659112, 53323890, 71098520, 106647780, 213295560]

約数ペア:

[(1, 213295560), (2, 106647780), (3, 71098520), (4, 53323890), (5, 42659112), (6, 35549260), (8, 26661945), (10, 21329556), (12, 17774630), (15, 14219704), (20, 10664778), (23, 9273720), (24, 8887315), (30, 7109852), (40, 5332389), (46, 4636860), (60, 3554926), (69, 3091240), (92, 2318430), (109, 1956840), (115, 1854744), (120, 1777463), (138, 1545620), (184, 1159215), (218, 978420), (230, 927372), (276, 772810), (327, 652280), (345, 618248), (436, 489210), (460, 463686), (545, 391368), (552, 386405), (654, 326140), (690, 309124), (709, 300840), (872, 244605), (920, 231843), (1090, 195684), (1308, 163070), (1380, 154562), (1418, 150420), (1635, 130456), (2127, 100280), (2180, 97842), (2507, 85080), (2616, 81535), (2760, 77281), (2836, 75210), (3270, 65228), (3545, 60168), (4254, 50140), (4360, 48921), (5014, 42540), (5672, 37605), (6540, 32614), (7090, 30084), (7521, 28360), (8508, 25070), (10028, 21270), (10635, 20056), (12535, 17016), (13080, 16307), (14180, 15042)]