127860880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 365333760

約数和(自身を除く): 237472880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 190, 197, 244, 266, 280, 304, 305, 380, 394, 427, 488, 532, 560, 610, 665, 760, 788, 854, 976, 985, 1064, 1159, 1220, 1330, 1379, 1520, 1576, 1708, 1970, 2128, 2135, 2318, 2440, 2660, 2758, 3152, 3416, 3743, 3940, 4270, 4636, 4880, 5320, 5516, 5795, 6832, 6895, 7486, 7880, 8113, 8540, 9272, 10640, 11032, 11590, 12017, 13790, 14972, 15760, 16226, 17080, 18544, 18715, 22064, 23180, 24034, 26201, 27580, 29944, 32452, 34160, 37430, 40565, 46360, 48068, 52402, 55160, 59888, 60085, 64904, 74860, 81130, 84119, 92720, 96136, 104804, 110320, 120170, 129808, 131005, 149720, 162260, 168238, 192272, 209608, 228323, 240340, 262010, 299440, 324520, 336476, 419216, 420595, 456646, 480680, 524020, 649040, 672952, 841190, 913292, 961360, 1048040, 1141615, 1345904, 1598261, 1682380, 1826584, 2096080, 2283230, 3196522, 3364760, 3653168, 4566460, 6393044, 6729520, 7991305, 9132920, 12786088, 15982610, 18265840, 25572176, 31965220, 63930440, 127860880]

約数ペア:

[(1, 127860880), (2, 63930440), (4, 31965220), (5, 25572176), (7, 18265840), (8, 15982610), (10, 12786088), (14, 9132920), (16, 7991305), (19, 6729520), (20, 6393044), (28, 4566460), (35, 3653168), (38, 3364760), (40, 3196522), (56, 2283230), (61, 2096080), (70, 1826584), (76, 1682380), (80, 1598261), (95, 1345904), (112, 1141615), (122, 1048040), (133, 961360), (140, 913292), (152, 841190), (190, 672952), (197, 649040), (244, 524020), (266, 480680), (280, 456646), (304, 420595), (305, 419216), (380, 336476), (394, 324520), (427, 299440), (488, 262010), (532, 240340), (560, 228323), (610, 209608), (665, 192272), (760, 168238), (788, 162260), (854, 149720), (976, 131005), (985, 129808), (1064, 120170), (1159, 110320), (1220, 104804), (1330, 96136), (1379, 92720), (1520, 84119), (1576, 81130), (1708, 74860), (1970, 64904), (2128, 60085), (2135, 59888), (2318, 55160), (2440, 52402), (2660, 48068), (2758, 46360), (3152, 40565), (3416, 37430), (3743, 34160), (3940, 32452), (4270, 29944), (4636, 27580), (4880, 26201), (5320, 24034), (5516, 23180), (5795, 22064), (6832, 18715), (6895, 18544), (7486, 17080), (7880, 16226), (8113, 15760), (8540, 14972), (9272, 13790), (10640, 12017), (11032, 11590)]