128171340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3452

約数の個数: 144

約数和(自身を含む): 446584320

約数和(自身を除く): 318412980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3407, 3420, 3762, 4180, 6270, 6814, 7524, 9405, 10221, 12540, 13628, 17035, 18810, 20442, 30663, 34070, 37477, 37620, 40884, 51105, 61326, 64733, 68140, 74954, 102210, 112431, 122652, 129466, 149908, 153315, 187385, 194199, 204420, 224862, 258932, 306630, 323665, 337293, 374770, 388398, 449724, 562155, 582597, 613260, 647330, 674586, 712063, 749540, 776796, 970995, 1124310, 1165194, 1294660, 1349172, 1424126, 1686465, 1941990, 2136189, 2248620, 2330388, 2848252, 2912985, 3372930, 3560315, 3883980, 4272378, 5825970, 6408567, 6745860, 7120630, 8544756, 10680945, 11651940, 12817134, 14241260, 21361890, 25634268, 32042835, 42723780, 64085670, 128171340]

約数ペア:

[(1, 128171340), (2, 64085670), (3, 42723780), (4, 32042835), (5, 25634268), (6, 21361890), (9, 14241260), (10, 12817134), (11, 11651940), (12, 10680945), (15, 8544756), (18, 7120630), (19, 6745860), (20, 6408567), (22, 5825970), (30, 4272378), (33, 3883980), (36, 3560315), (38, 3372930), (44, 2912985), (45, 2848252), (55, 2330388), (57, 2248620), (60, 2136189), (66, 1941990), (76, 1686465), (90, 1424126), (95, 1349172), (99, 1294660), (110, 1165194), (114, 1124310), (132, 970995), (165, 776796), (171, 749540), (180, 712063), (190, 674586), (198, 647330), (209, 613260), (220, 582597), (228, 562155), (285, 449724), (330, 388398), (342, 374770), (380, 337293), (396, 323665), (418, 306630), (495, 258932), (570, 224862), (627, 204420), (660, 194199), (684, 187385), (836, 153315), (855, 149908), (990, 129466), (1045, 122652), (1140, 112431), (1254, 102210), (1710, 74954), (1881, 68140), (1980, 64733), (2090, 61326), (2508, 51105), (3135, 40884), (3407, 37620), (3420, 37477), (3762, 34070), (4180, 30663), (6270, 20442), (6814, 18810), (7524, 17035), (9405, 13628), (10221, 12540)]