205641240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 192

約数和(自身を含む): 736011360

約数和(自身を除く): 530370120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 49, 56, 60, 70, 82, 84, 98, 105, 120, 123, 140, 147, 164, 168, 196, 205, 210, 245, 246, 280, 287, 294, 328, 392, 410, 420, 490, 492, 574, 588, 615, 735, 820, 840, 853, 861, 980, 984, 1148, 1176, 1230, 1435, 1470, 1640, 1706, 1722, 1960, 2009, 2296, 2460, 2559, 2870, 2940, 3412, 3444, 4018, 4265, 4305, 4920, 5118, 5740, 5880, 5971, 6027, 6824, 6888, 8036, 8530, 8610, 10045, 10236, 11480, 11942, 12054, 12795, 16072, 17060, 17220, 17913, 20090, 20472, 23884, 24108, 25590, 29855, 30135, 34120, 34440, 34973, 35826, 40180, 41797, 47768, 48216, 51180, 59710, 60270, 69946, 71652, 80360, 83594, 89565, 102360, 104919, 119420, 120540, 125391, 139892, 143304, 167188, 174865, 179130, 208985, 209838, 238840, 241080, 244811, 250782, 279784, 334376, 349730, 358260, 417970, 419676, 489622, 501564, 524595, 626955, 699460, 716520, 734433, 835940, 839352, 979244, 1003128, 1049190, 1224055, 1253910, 1398920, 1468866, 1671880, 1713677, 1958488, 2098380, 2448110, 2507820, 2937732, 3427354, 3672165, 4196760, 4896220, 5015640, 5141031, 5875464, 6854708, 7344330, 8568385, 9792440, 10282062, 13709416, 14688660, 17136770, 20564124, 25705155, 29377320, 34273540, 41128248, 51410310, 68547080, 102820620, 205641240]

約数ペア:

[(1, 205641240), (2, 102820620), (3, 68547080), (4, 51410310), (5, 41128248), (6, 34273540), (7, 29377320), (8, 25705155), (10, 20564124), (12, 17136770), (14, 14688660), (15, 13709416), (20, 10282062), (21, 9792440), (24, 8568385), (28, 7344330), (30, 6854708), (35, 5875464), (40, 5141031), (41, 5015640), (42, 4896220), (49, 4196760), (56, 3672165), (60, 3427354), (70, 2937732), (82, 2507820), (84, 2448110), (98, 2098380), (105, 1958488), (120, 1713677), (123, 1671880), (140, 1468866), (147, 1398920), (164, 1253910), (168, 1224055), (196, 1049190), (205, 1003128), (210, 979244), (245, 839352), (246, 835940), (280, 734433), (287, 716520), (294, 699460), (328, 626955), (392, 524595), (410, 501564), (420, 489622), (490, 419676), (492, 417970), (574, 358260), (588, 349730), (615, 334376), (735, 279784), (820, 250782), (840, 244811), (853, 241080), (861, 238840), (980, 209838), (984, 208985), (1148, 179130), (1176, 174865), (1230, 167188), (1435, 143304), (1470, 139892), (1640, 125391), (1706, 120540), (1722, 119420), (1960, 104919), (2009, 102360), (2296, 89565), (2460, 83594), (2559, 80360), (2870, 71652), (2940, 69946), (3412, 60270), (3444, 59710), (4018, 51180), (4265, 48216), (4305, 47768), (4920, 41797), (5118, 40180), (5740, 35826), (5880, 34973), (5971, 34440), (6027, 34120), (6824, 30135), (6888, 29855), (8036, 25590), (8530, 24108), (8610, 23884), (10045, 20472), (10236, 20090), (11480, 17913), (11942, 17220), (12054, 17060), (12795, 16072)]