121565990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 290304000

約数和(自身を除く): 168738010

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 79, 89, 91, 95, 130, 133, 158, 178, 182, 190, 247, 266, 395, 445, 455, 494, 553, 623, 665, 790, 890, 910, 1027, 1106, 1157, 1235, 1246, 1330, 1501, 1691, 1729, 2054, 2314, 2470, 2765, 3002, 3115, 3382, 3458, 5135, 5530, 5785, 6230, 7031, 7189, 7505, 8099, 8455, 8645, 10270, 10507, 11570, 11837, 14062, 14378, 15010, 16198, 16910, 17290, 19513, 21014, 21983, 23674, 35155, 35945, 39026, 40495, 43966, 49217, 52535, 59185, 70310, 71890, 80990, 91403, 97565, 98434, 105070, 109915, 118370, 133589, 136591, 153881, 182806, 195130, 219830, 246085, 267178, 273182, 307762, 457015, 492170, 639821, 667945, 682955, 769405, 914030, 935123, 1279642, 1335890, 1365910, 1538810, 1736657, 1870246, 3199105, 3473314, 4675615, 6398210, 8683285, 9351230, 12156599, 17366570, 24313198, 60782995, 121565990]

約数ペア:

[(1, 121565990), (2, 60782995), (5, 24313198), (7, 17366570), (10, 12156599), (13, 9351230), (14, 8683285), (19, 6398210), (26, 4675615), (35, 3473314), (38, 3199105), (65, 1870246), (70, 1736657), (79, 1538810), (89, 1365910), (91, 1335890), (95, 1279642), (130, 935123), (133, 914030), (158, 769405), (178, 682955), (182, 667945), (190, 639821), (247, 492170), (266, 457015), (395, 307762), (445, 273182), (455, 267178), (494, 246085), (553, 219830), (623, 195130), (665, 182806), (790, 153881), (890, 136591), (910, 133589), (1027, 118370), (1106, 109915), (1157, 105070), (1235, 98434), (1246, 97565), (1330, 91403), (1501, 80990), (1691, 71890), (1729, 70310), (2054, 59185), (2314, 52535), (2470, 49217), (2765, 43966), (3002, 40495), (3115, 39026), (3382, 35945), (3458, 35155), (5135, 23674), (5530, 21983), (5785, 21014), (6230, 19513), (7031, 17290), (7189, 16910), (7505, 16198), (8099, 15010), (8455, 14378), (8645, 14062), (10270, 11837), (10507, 11570)]