155305890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 438566400

約数和(自身を除く): 283260510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 89, 90, 115, 135, 138, 178, 207, 230, 267, 270, 281, 345, 414, 445, 534, 562, 621, 690, 801, 843, 890, 1035, 1242, 1335, 1405, 1602, 1686, 2047, 2070, 2403, 2529, 2670, 2810, 3105, 4005, 4094, 4215, 4806, 5058, 6141, 6210, 6463, 7587, 8010, 8430, 10235, 12015, 12282, 12645, 12926, 15174, 18423, 19389, 20470, 24030, 25009, 25290, 30705, 32315, 36846, 37935, 38778, 50018, 55269, 58167, 61410, 64630, 75027, 75870, 92115, 96945, 110538, 116334, 125045, 150054, 174501, 184230, 193890, 225081, 250090, 276345, 290835, 349002, 375135, 450162, 552690, 575207, 581670, 675243, 750270, 872505, 1125405, 1150414, 1350486, 1725621, 1745010, 2250810, 2876035, 3376215, 3451242, 5176863, 5752070, 6752430, 8628105, 10353726, 15530589, 17256210, 25884315, 31061178, 51768630, 77652945, 155305890]

約数ペア:

[(1, 155305890), (2, 77652945), (3, 51768630), (5, 31061178), (6, 25884315), (9, 17256210), (10, 15530589), (15, 10353726), (18, 8628105), (23, 6752430), (27, 5752070), (30, 5176863), (45, 3451242), (46, 3376215), (54, 2876035), (69, 2250810), (89, 1745010), (90, 1725621), (115, 1350486), (135, 1150414), (138, 1125405), (178, 872505), (207, 750270), (230, 675243), (267, 581670), (270, 575207), (281, 552690), (345, 450162), (414, 375135), (445, 349002), (534, 290835), (562, 276345), (621, 250090), (690, 225081), (801, 193890), (843, 184230), (890, 174501), (1035, 150054), (1242, 125045), (1335, 116334), (1405, 110538), (1602, 96945), (1686, 92115), (2047, 75870), (2070, 75027), (2403, 64630), (2529, 61410), (2670, 58167), (2810, 55269), (3105, 50018), (4005, 38778), (4094, 37935), (4215, 36846), (4806, 32315), (5058, 30705), (6141, 25290), (6210, 25009), (6463, 24030), (7587, 20470), (8010, 19389), (8430, 18423), (10235, 15174), (12015, 12926), (12282, 12645)]