515181960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:836

約数の個数: 192

約数和(自身を含む): 1781208000

約数和(自身を除く): 1266026040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 109, 114, 120, 152, 171, 180, 190, 218, 228, 285, 327, 342, 360, 380, 436, 456, 545, 570, 654, 684, 691, 760, 855, 872, 981, 1090, 1140, 1308, 1368, 1382, 1635, 1710, 1962, 2071, 2073, 2180, 2280, 2616, 2764, 3270, 3420, 3455, 3924, 4142, 4146, 4360, 4905, 5528, 6213, 6219, 6540, 6840, 6910, 7848, 8284, 8292, 9810, 10355, 10365, 12426, 12438, 13080, 13129, 13820, 16568, 16584, 18639, 19620, 20710, 20730, 24852, 24876, 26258, 27640, 31065, 31095, 37278, 39240, 39387, 41420, 41460, 49704, 49752, 52516, 62130, 62190, 65645, 74556, 75319, 78774, 82840, 82920, 93195, 105032, 118161, 124260, 124380, 131290, 149112, 150638, 157548, 186390, 196935, 225957, 236322, 248520, 248760, 262580, 301276, 315096, 372780, 376595, 393870, 451914, 472644, 525160, 590805, 602552, 677871, 745560, 753190, 787740, 903828, 945288, 1129785, 1181610, 1355742, 1431061, 1506380, 1575480, 1807656, 2259570, 2363220, 2711484, 2862122, 3012760, 3389355, 4293183, 4519140, 4726440, 5422968, 5724244, 6778710, 7155305, 8586366, 9038280, 11448488, 12879549, 13557420, 14310610, 17172732, 21465915, 25759098, 27114840, 28621220, 34345464, 42931830, 51518196, 57242440, 64397745, 85863660, 103036392, 128795490, 171727320, 257590980, 515181960]

約数ペア:

[(1, 515181960), (2, 257590980), (3, 171727320), (4, 128795490), (5, 103036392), (6, 85863660), (8, 64397745), (9, 57242440), (10, 51518196), (12, 42931830), (15, 34345464), (18, 28621220), (19, 27114840), (20, 25759098), (24, 21465915), (30, 17172732), (36, 14310610), (38, 13557420), (40, 12879549), (45, 11448488), (57, 9038280), (60, 8586366), (72, 7155305), (76, 6778710), (90, 5724244), (95, 5422968), (109, 4726440), (114, 4519140), (120, 4293183), (152, 3389355), (171, 3012760), (180, 2862122), (190, 2711484), (218, 2363220), (228, 2259570), (285, 1807656), (327, 1575480), (342, 1506380), (360, 1431061), (380, 1355742), (436, 1181610), (456, 1129785), (545, 945288), (570, 903828), (654, 787740), (684, 753190), (691, 745560), (760, 677871), (855, 602552), (872, 590805), (981, 525160), (1090, 472644), (1140, 451914), (1308, 393870), (1368, 376595), (1382, 372780), (1635, 315096), (1710, 301276), (1962, 262580), (2071, 248760), (2073, 248520), (2180, 236322), (2280, 225957), (2616, 196935), (2764, 186390), (3270, 157548), (3420, 150638), (3455, 149112), (3924, 131290), (4142, 124380), (4146, 124260), (4360, 118161), (4905, 105032), (5528, 93195), (6213, 82920), (6219, 82840), (6540, 78774), (6840, 75319), (6910, 74556), (7848, 65645), (8284, 62190), (8292, 62130), (9810, 52516), (10355, 49752), (10365, 49704), (12426, 41460), (12438, 41420), (13080, 39387), (13129, 39240), (13820, 37278), (16568, 31095), (16584, 31065), (18639, 27640), (19620, 26258), (20710, 24876), (20730, 24852)]