172877080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 435456000

約数和(自身を除く): 262578920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 59, 62, 68, 85, 118, 124, 136, 139, 155, 170, 236, 248, 278, 295, 310, 340, 472, 527, 556, 590, 620, 680, 695, 1003, 1054, 1112, 1180, 1240, 1390, 1829, 2006, 2108, 2360, 2363, 2635, 2780, 3658, 4012, 4216, 4309, 4726, 5015, 5270, 5560, 7316, 8024, 8201, 8618, 9145, 9452, 10030, 10540, 11815, 14632, 16402, 17236, 18290, 18904, 20060, 21080, 21545, 23630, 31093, 32804, 34472, 36580, 40120, 41005, 43090, 47260, 62186, 65608, 73160, 73253, 82010, 86180, 94520, 124372, 139417, 146506, 155465, 164020, 172360, 248744, 254231, 278834, 293012, 310930, 328040, 366265, 508462, 557668, 586024, 621860, 697085, 732530, 1016924, 1115336, 1243720, 1271155, 1394170, 1465060, 2033848, 2542310, 2788340, 2930120, 4321927, 5084620, 5576680, 8643854, 10169240, 17287708, 21609635, 34575416, 43219270, 86438540, 172877080]

約数ペア:

[(1, 172877080), (2, 86438540), (4, 43219270), (5, 34575416), (8, 21609635), (10, 17287708), (17, 10169240), (20, 8643854), (31, 5576680), (34, 5084620), (40, 4321927), (59, 2930120), (62, 2788340), (68, 2542310), (85, 2033848), (118, 1465060), (124, 1394170), (136, 1271155), (139, 1243720), (155, 1115336), (170, 1016924), (236, 732530), (248, 697085), (278, 621860), (295, 586024), (310, 557668), (340, 508462), (472, 366265), (527, 328040), (556, 310930), (590, 293012), (620, 278834), (680, 254231), (695, 248744), (1003, 172360), (1054, 164020), (1112, 155465), (1180, 146506), (1240, 139417), (1390, 124372), (1829, 94520), (2006, 86180), (2108, 82010), (2360, 73253), (2363, 73160), (2635, 65608), (2780, 62186), (3658, 47260), (4012, 43090), (4216, 41005), (4309, 40120), (4726, 36580), (5015, 34472), (5270, 32804), (5560, 31093), (7316, 23630), (8024, 21545), (8201, 21080), (8618, 20060), (9145, 18904), (9452, 18290), (10030, 17236), (10540, 16402), (11815, 14632)]