20402821080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{17839}}^1$

素因数の和:18215

約数の個数: 160

約数和(自身を含む): 68774270400

約数和(自身を除く): 48371449320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 353, 360, 405, 540, 648, 706, 810, 1059, 1080, 1412, 1620, 1765, 2118, 2824, 3177, 3240, 3530, 4236, 5295, 6354, 7060, 8472, 9531, 10590, 12708, 14120, 15885, 17839, 19062, 21180, 25416, 28593, 31770, 35678, 38124, 42360, 47655, 53517, 57186, 63540, 71356, 76248, 89195, 95310, 107034, 114372, 127080, 142712, 142965, 160551, 178390, 190620, 214068, 228744, 267585, 285930, 321102, 356780, 381240, 428136, 481653, 535170, 571860, 642204, 713560, 802755, 963306, 1070340, 1143720, 1284408, 1444959, 1605510, 1926612, 2140680, 2408265, 2889918, 3211020, 3853224, 4816530, 5779836, 6297167, 6422040, 7224795, 9633060, 11559672, 12594334, 14449590, 18891501, 19266120, 25188668, 28899180, 31485835, 37783002, 50377336, 56674503, 57798360, 62971670, 75566004, 94457505, 113349006, 125943340, 151132008, 170023509, 188915010, 226698012, 251886680, 283372515, 340047018, 377830020, 453396024, 510070527, 566745030, 680094036, 755660040, 850117545, 1020141054, 1133490060, 1360188072, 1700235090, 2040282108, 2266980120, 2550352635, 3400470180, 4080564216, 5100705270, 6800940360, 10201410540, 20402821080]

約数ペア:

[(1, 20402821080), (2, 10201410540), (3, 6800940360), (4, 5100705270), (5, 4080564216), (6, 3400470180), (8, 2550352635), (9, 2266980120), (10, 2040282108), (12, 1700235090), (15, 1360188072), (18, 1133490060), (20, 1020141054), (24, 850117545), (27, 755660040), (30, 680094036), (36, 566745030), (40, 510070527), (45, 453396024), (54, 377830020), (60, 340047018), (72, 283372515), (81, 251886680), (90, 226698012), (108, 188915010), (120, 170023509), (135, 151132008), (162, 125943340), (180, 113349006), (216, 94457505), (270, 75566004), (324, 62971670), (353, 57798360), (360, 56674503), (405, 50377336), (540, 37783002), (648, 31485835), (706, 28899180), (810, 25188668), (1059, 19266120), (1080, 18891501), (1412, 14449590), (1620, 12594334), (1765, 11559672), (2118, 9633060), (2824, 7224795), (3177, 6422040), (3240, 6297167), (3530, 5779836), (4236, 4816530), (5295, 3853224), (6354, 3211020), (7060, 2889918), (8472, 2408265), (9531, 2140680), (10590, 1926612), (12708, 1605510), (14120, 1444959), (15885, 1284408), (17839, 1143720), (19062, 1070340), (21180, 963306), (25416, 802755), (28593, 713560), (31770, 642204), (35678, 571860), (38124, 535170), (42360, 481653), (47655, 428136), (53517, 381240), (57186, 356780), (63540, 321102), (71356, 285930), (76248, 267585), (89195, 228744), (95310, 214068), (107034, 190620), (114372, 178390), (127080, 160551), (142712, 142965)]