102820620

素因数分解:

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

素因数の和:920

約数の個数: 144

約数和(自身を含む): 343471968

約数和(自身を除く): 240651348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 853, 861, 980, 1148, 1230, 1435, 1470, 1706, 1722, 2009, 2460, 2559, 2870, 2940, 3412, 3444, 4018, 4265, 4305, 5118, 5740, 5971, 6027, 8036, 8530, 8610, 10045, 10236, 11942, 12054, 12795, 17060, 17220, 17913, 20090, 23884, 24108, 25590, 29855, 30135, 34973, 35826, 40180, 41797, 51180, 59710, 60270, 69946, 71652, 83594, 89565, 104919, 119420, 120540, 125391, 139892, 167188, 174865, 179130, 208985, 209838, 244811, 250782, 349730, 358260, 417970, 419676, 489622, 501564, 524595, 626955, 699460, 734433, 835940, 979244, 1049190, 1224055, 1253910, 1468866, 1713677, 2098380, 2448110, 2507820, 2937732, 3427354, 3672165, 4896220, 5141031, 6854708, 7344330, 8568385, 10282062, 14688660, 17136770, 20564124, 25705155, 34273540, 51410310, 102820620]

約数ペア:

[(1, 102820620), (2, 51410310), (3, 34273540), (4, 25705155), (5, 20564124), (6, 17136770), (7, 14688660), (10, 10282062), (12, 8568385), (14, 7344330), (15, 6854708), (20, 5141031), (21, 4896220), (28, 3672165), (30, 3427354), (35, 2937732), (41, 2507820), (42, 2448110), (49, 2098380), (60, 1713677), (70, 1468866), (82, 1253910), (84, 1224055), (98, 1049190), (105, 979244), (123, 835940), (140, 734433), (147, 699460), (164, 626955), (196, 524595), (205, 501564), (210, 489622), (245, 419676), (246, 417970), (287, 358260), (294, 349730), (410, 250782), (420, 244811), (490, 209838), (492, 208985), (574, 179130), (588, 174865), (615, 167188), (735, 139892), (820, 125391), (853, 120540), (861, 119420), (980, 104919), (1148, 89565), (1230, 83594), (1435, 71652), (1470, 69946), (1706, 60270), (1722, 59710), (2009, 51180), (2460, 41797), (2559, 40180), (2870, 35826), (2940, 34973), (3412, 30135), (3444, 29855), (4018, 25590), (4265, 24108), (4305, 23884), (5118, 20090), (5740, 17913), (5971, 17220), (6027, 17060), (8036, 12795), (8530, 12054), (8610, 11942), (10045, 10236)]