211269720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1945

約数の個数: 128

約数和(自身を含む): 677859840

約数和(自身を除く): 466590120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1380, 1640, 1867, 1886, 2460, 2760, 2829, 3734, 3772, 4715, 4920, 5601, 5658, 7468, 7544, 9335, 9430, 11202, 11316, 14145, 14936, 18670, 18860, 22404, 22632, 28005, 28290, 37340, 37720, 42941, 44808, 56010, 56580, 74680, 76547, 85882, 112020, 113160, 128823, 153094, 171764, 214705, 224040, 229641, 257646, 306188, 343528, 382735, 429410, 459282, 515292, 612376, 644115, 765470, 858820, 918564, 1030584, 1148205, 1288230, 1530940, 1717640, 1760581, 1837128, 2296410, 2576460, 3061880, 3521162, 4592820, 5152920, 5281743, 7042324, 8802905, 9185640, 10563486, 14084648, 17605810, 21126972, 26408715, 35211620, 42253944, 52817430, 70423240, 105634860, 211269720]

約数ペア:

[(1, 211269720), (2, 105634860), (3, 70423240), (4, 52817430), (5, 42253944), (6, 35211620), (8, 26408715), (10, 21126972), (12, 17605810), (15, 14084648), (20, 10563486), (23, 9185640), (24, 8802905), (30, 7042324), (40, 5281743), (41, 5152920), (46, 4592820), (60, 3521162), (69, 3061880), (82, 2576460), (92, 2296410), (115, 1837128), (120, 1760581), (123, 1717640), (138, 1530940), (164, 1288230), (184, 1148205), (205, 1030584), (230, 918564), (246, 858820), (276, 765470), (328, 644115), (345, 612376), (410, 515292), (460, 459282), (492, 429410), (552, 382735), (615, 343528), (690, 306188), (820, 257646), (920, 229641), (943, 224040), (984, 214705), (1230, 171764), (1380, 153094), (1640, 128823), (1867, 113160), (1886, 112020), (2460, 85882), (2760, 76547), (2829, 74680), (3734, 56580), (3772, 56010), (4715, 44808), (4920, 42941), (5601, 37720), (5658, 37340), (7468, 28290), (7544, 28005), (9335, 22632), (9430, 22404), (11202, 18860), (11316, 18670), (14145, 14936)]