65911720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 183202560

約数和(自身を除く): 117290840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 227, 238, 244, 280, 305, 340, 427, 454, 476, 488, 595, 610, 680, 854, 908, 952, 1037, 1135, 1190, 1220, 1589, 1708, 1816, 2074, 2135, 2270, 2380, 2440, 3178, 3416, 3859, 4148, 4270, 4540, 4760, 5185, 6356, 7259, 7718, 7945, 8296, 8540, 9080, 10370, 12712, 13847, 14518, 15436, 15890, 17080, 19295, 20740, 27013, 27694, 29036, 30872, 31780, 36295, 38590, 41480, 54026, 55388, 58072, 63560, 69235, 72590, 77180, 96929, 108052, 110776, 135065, 138470, 145180, 154360, 193858, 216104, 235399, 270130, 276940, 290360, 387716, 470798, 484645, 540260, 553880, 775432, 941596, 969290, 1080520, 1176995, 1647793, 1883192, 1938580, 2353990, 3295586, 3877160, 4707980, 6591172, 8238965, 9415960, 13182344, 16477930, 32955860, 65911720]

約数ペア:

[(1, 65911720), (2, 32955860), (4, 16477930), (5, 13182344), (7, 9415960), (8, 8238965), (10, 6591172), (14, 4707980), (17, 3877160), (20, 3295586), (28, 2353990), (34, 1938580), (35, 1883192), (40, 1647793), (56, 1176995), (61, 1080520), (68, 969290), (70, 941596), (85, 775432), (119, 553880), (122, 540260), (136, 484645), (140, 470798), (170, 387716), (227, 290360), (238, 276940), (244, 270130), (280, 235399), (305, 216104), (340, 193858), (427, 154360), (454, 145180), (476, 138470), (488, 135065), (595, 110776), (610, 108052), (680, 96929), (854, 77180), (908, 72590), (952, 69235), (1037, 63560), (1135, 58072), (1190, 55388), (1220, 54026), (1589, 41480), (1708, 38590), (1816, 36295), (2074, 31780), (2135, 30872), (2270, 29036), (2380, 27694), (2440, 27013), (3178, 20740), (3416, 19295), (3859, 17080), (4148, 15890), (4270, 15436), (4540, 14518), (4760, 13847), (5185, 12712), (6356, 10370), (7259, 9080), (7718, 8540), (7945, 8296)]