20511491280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{2633}}^1\times {\mathrm{4637}}^1$

素因数の和:7293

約数の個数: 160

約数和(自身を含む): 72712560384

約数和(自身を除く): 52201069104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 2633, 4637, 5266, 7899, 9274, 10532, 13165, 13911, 15798, 18431, 18548, 21064, 23185, 26330, 27822, 31596, 32459, 36862, 37096, 39495, 42128, 46370, 52660, 55293, 55644, 63192, 64918, 69555, 73724, 74192, 78990, 92155, 92740, 97377, 105320, 110586, 111288, 126384, 129836, 139110, 147448, 157980, 162295, 184310, 185480, 194754, 210640, 221172, 222576, 259672, 276465, 278220, 294896, 315960, 324590, 368620, 370960, 389508, 442344, 486885, 519344, 552930, 556440, 631920, 649180, 737240, 779016, 884688, 973770, 1105860, 1112880, 1298360, 1474480, 1558032, 1947540, 2211720, 2596720, 3895080, 4423440, 7790160, 12209221, 24418442, 36627663, 48836884, 61046105, 73255326, 85464547, 97673768, 122092210, 146510652, 170929094, 183138315, 195347536, 244184420, 256393641, 293021304, 341858188, 366276630, 427322735, 488368840, 512787282, 586042608, 683716376, 732553260, 854645470, 976737680, 1025574564, 1281968205, 1367432752, 1465106520, 1709290940, 2051149128, 2563936410, 2930213040, 3418581880, 4102298256, 5127872820, 6837163760, 10255745640, 20511491280]

約数ペア:

[(1, 20511491280), (2, 10255745640), (3, 6837163760), (4, 5127872820), (5, 4102298256), (6, 3418581880), (7, 2930213040), (8, 2563936410), (10, 2051149128), (12, 1709290940), (14, 1465106520), (15, 1367432752), (16, 1281968205), (20, 1025574564), (21, 976737680), (24, 854645470), (28, 732553260), (30, 683716376), (35, 586042608), (40, 512787282), (42, 488368840), (48, 427322735), (56, 366276630), (60, 341858188), (70, 293021304), (80, 256393641), (84, 244184420), (105, 195347536), (112, 183138315), (120, 170929094), (140, 146510652), (168, 122092210), (210, 97673768), (240, 85464547), (280, 73255326), (336, 61046105), (420, 48836884), (560, 36627663), (840, 24418442), (1680, 12209221), (2633, 7790160), (4637, 4423440), (5266, 3895080), (7899, 2596720), (9274, 2211720), (10532, 1947540), (13165, 1558032), (13911, 1474480), (15798, 1298360), (18431, 1112880), (18548, 1105860), (21064, 973770), (23185, 884688), (26330, 779016), (27822, 737240), (31596, 649180), (32459, 631920), (36862, 556440), (37096, 552930), (39495, 519344), (42128, 486885), (46370, 442344), (52660, 389508), (55293, 370960), (55644, 368620), (63192, 324590), (64918, 315960), (69555, 294896), (73724, 278220), (74192, 276465), (78990, 259672), (92155, 222576), (92740, 221172), (97377, 210640), (105320, 194754), (110586, 185480), (111288, 184310), (126384, 162295), (129836, 157980), (139110, 147448)]