20801089800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1723}}^1$

素因数の和:2117

約数の個数: 288

約数和(自身を含む): 73784786400

約数和(自身を除く): 52983696600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 353, 360, 380, 450, 456, 475, 570, 600, 684, 706, 760, 855, 900, 950, 1059, 1140, 1368, 1412, 1425, 1710, 1723, 1765, 1800, 1900, 2118, 2280, 2824, 2850, 3177, 3420, 3446, 3530, 3800, 4236, 4275, 5169, 5295, 5700, 6354, 6707, 6840, 6892, 7060, 8472, 8550, 8615, 8825, 10338, 10590, 11400, 12708, 13414, 13784, 14120, 15507, 15885, 17100, 17230, 17650, 20121, 20676, 21180, 25416, 25845, 26475, 26828, 31014, 31770, 32737, 33535, 34200, 34460, 35300, 40242, 41352, 42360, 43075, 51690, 52950, 53656, 60363, 62028, 63540, 65474, 67070, 68920, 70600, 77535, 79425, 80484, 86150, 98211, 100605, 103380, 105900, 120726, 124056, 127080, 129225, 130948, 134140, 155070, 158850, 160968, 163685, 167675, 172300, 196422, 201210, 206760, 211800, 241452, 258450, 261896, 268280, 294633, 301815, 310140, 317700, 327370, 335350, 344600, 387675, 392844, 402420, 482904, 491055, 503025, 516900, 589266, 603630, 608219, 620280, 635400, 654740, 670700, 775350, 785688, 804840, 818425, 982110, 1006050, 1033800, 1178532, 1207260, 1216438, 1309480, 1341400, 1473165, 1509075, 1550700, 1636850, 1824657, 1964220, 2012100, 2357064, 2414520, 2432876, 2455275, 2946330, 3018150, 3041095, 3101400, 3273700, 3649314, 3928440, 4024200, 4865752, 4910550, 5473971, 5892660, 6036300, 6082190, 6547400, 7298628, 7365825, 9123285, 9821100, 10947942, 11556161, 11785320, 12072600, 12164380, 14597256, 14731650, 15205475, 18246570, 19642200, 21895884, 23112322, 24328760, 27369855, 29463300, 30410950, 34668483, 36493140, 43791768, 45616425, 46224644, 54739710, 57780805, 58926600, 60821900, 69336966, 72986280, 91232850, 92449288, 104005449, 109479420, 115561610, 121643800, 136849275, 138673932, 173342415, 182465700, 208010898, 218958840, 231123220, 273698550, 277347864, 288904025, 346684830, 364931400, 416021796, 462246440, 520027245, 547397100, 577808050, 693369660, 832043592, 866712075, 1040054490, 1094794200, 1155616100, 1386739320, 1733424150, 2080108980, 2311232200, 2600136225, 3466848300, 4160217960, 5200272450, 6933696600, 10400544900, 20801089800]

約数ペア:

[(1, 20801089800), (2, 10400544900), (3, 6933696600), (4, 5200272450), (5, 4160217960), (6, 3466848300), (8, 2600136225), (9, 2311232200), (10, 2080108980), (12, 1733424150), (15, 1386739320), (18, 1155616100), (19, 1094794200), (20, 1040054490), (24, 866712075), (25, 832043592), (30, 693369660), (36, 577808050), (38, 547397100), (40, 520027245), (45, 462246440), (50, 416021796), (57, 364931400), (60, 346684830), (72, 288904025), (75, 277347864), (76, 273698550), (90, 231123220), (95, 218958840), (100, 208010898), (114, 182465700), (120, 173342415), (150, 138673932), (152, 136849275), (171, 121643800), (180, 115561610), (190, 109479420), (200, 104005449), (225, 92449288), (228, 91232850), (285, 72986280), (300, 69336966), (342, 60821900), (353, 58926600), (360, 57780805), (380, 54739710), (450, 46224644), (456, 45616425), (475, 43791768), (570, 36493140), (600, 34668483), (684, 30410950), (706, 29463300), (760, 27369855), (855, 24328760), (900, 23112322), (950, 21895884), (1059, 19642200), (1140, 18246570), (1368, 15205475), (1412, 14731650), (1425, 14597256), (1710, 12164380), (1723, 12072600), (1765, 11785320), (1800, 11556161), (1900, 10947942), (2118, 9821100), (2280, 9123285), (2824, 7365825), (2850, 7298628), (3177, 6547400), (3420, 6082190), (3446, 6036300), (3530, 5892660), (3800, 5473971), (4236, 4910550), (4275, 4865752), (5169, 4024200), (5295, 3928440), (5700, 3649314), (6354, 3273700), (6707, 3101400), (6840, 3041095), (6892, 3018150), (7060, 2946330), (8472, 2455275), (8550, 2432876), (8615, 2414520), (8825, 2357064), (10338, 2012100), (10590, 1964220), (11400, 1824657), (12708, 1636850), (13414, 1550700), (13784, 1509075), (14120, 1473165), (15507, 1341400), (15885, 1309480), (17100, 1216438), (17230, 1207260), (17650, 1178532), (20121, 1033800), (20676, 1006050), (21180, 982110), (25416, 818425), (25845, 804840), (26475, 785688), (26828, 775350), (31014, 670700), (31770, 654740), (32737, 635400), (33535, 620280), (34200, 608219), (34460, 603630), (35300, 589266), (40242, 516900), (41352, 503025), (42360, 491055), (43075, 482904), (51690, 402420), (52950, 392844), (53656, 387675), (60363, 344600), (62028, 335350), (63540, 327370), (65474, 317700), (67070, 310140), (68920, 301815), (70600, 294633), (77535, 268280), (79425, 261896), (80484, 258450), (86150, 241452), (98211, 211800), (100605, 206760), (103380, 201210), (105900, 196422), (120726, 172300), (124056, 167675), (127080, 163685), (129225, 160968), (130948, 158850), (134140, 155070)]