128443980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7459}}^1$

素因数の和:7519

約数の個数: 96

約数和(自身を含む): 421102080

約数和(自身を除く): 292658100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 7459, 8610, 14918, 17220, 22377, 29836, 37295, 44754, 52213, 74590, 89508, 104426, 111885, 149180, 156639, 208852, 223770, 261065, 305819, 313278, 447540, 522130, 611638, 626556, 783195, 917457, 1044260, 1223276, 1529095, 1566390, 1834914, 2140733, 3058190, 3132780, 3669828, 4281466, 4587285, 6116380, 6422199, 8562932, 9174570, 10703665, 12844398, 18349140, 21407330, 25688796, 32110995, 42814660, 64221990, 128443980]

約数ペア:

[(1, 128443980), (2, 64221990), (3, 42814660), (4, 32110995), (5, 25688796), (6, 21407330), (7, 18349140), (10, 12844398), (12, 10703665), (14, 9174570), (15, 8562932), (20, 6422199), (21, 6116380), (28, 4587285), (30, 4281466), (35, 3669828), (41, 3132780), (42, 3058190), (60, 2140733), (70, 1834914), (82, 1566390), (84, 1529095), (105, 1223276), (123, 1044260), (140, 917457), (164, 783195), (205, 626556), (210, 611638), (246, 522130), (287, 447540), (410, 313278), (420, 305819), (492, 261065), (574, 223770), (615, 208852), (820, 156639), (861, 149180), (1148, 111885), (1230, 104426), (1435, 89508), (1722, 74590), (2460, 52213), (2870, 44754), (3444, 37295), (4305, 29836), (5740, 22377), (7459, 17220), (8610, 14918)]