2005152075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 4011171840

約数和(自身を除く): 2006019765

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 31, 45, 69, 75, 87, 93, 115, 145, 155, 207, 225, 261, 279, 345, 431, 435, 465, 575, 667, 713, 725, 775, 899, 1035, 1293, 1305, 1395, 1725, 2001, 2139, 2155, 2175, 2325, 2697, 3335, 3565, 3879, 4495, 5175, 6003, 6417, 6465, 6525, 6975, 8091, 9913, 10005, 10695, 10775, 12499, 13361, 13485, 16675, 17825, 19395, 20677, 22475, 29739, 30015, 32085, 32325, 37497, 40083, 40455, 49565, 50025, 53475, 62031, 62495, 66805, 67425, 89217, 96975, 103385, 112491, 120249, 148695, 150075, 160425, 186093, 187485, 200415, 202275, 247825, 287477, 307303, 310155, 312475, 334025, 387469, 446085, 516925, 562455, 601245, 743475, 862431, 921909, 930465, 937425, 1002075, 1162407, 1437385, 1536515, 1550775, 1937345, 2230425, 2587293, 2765727, 2812275, 3006225, 3487221, 4312155, 4609545, 4652325, 5812035, 7186925, 7682575, 8911787, 9686725, 12936465, 13828635, 17436105, 21560775, 23047725, 26735361, 29060175, 44558935, 64682325, 69143175, 80206083, 87180525, 133676805, 222794675, 401030415, 668384025, 2005152075]

約数ペア:

[(1, 2005152075), (3, 668384025), (5, 401030415), (9, 222794675), (15, 133676805), (23, 87180525), (25, 80206083), (29, 69143175), (31, 64682325), (45, 44558935), (69, 29060175), (75, 26735361), (87, 23047725), (93, 21560775), (115, 17436105), (145, 13828635), (155, 12936465), (207, 9686725), (225, 8911787), (261, 7682575), (279, 7186925), (345, 5812035), (431, 4652325), (435, 4609545), (465, 4312155), (575, 3487221), (667, 3006225), (713, 2812275), (725, 2765727), (775, 2587293), (899, 2230425), (1035, 1937345), (1293, 1550775), (1305, 1536515), (1395, 1437385), (1725, 1162407), (2001, 1002075), (2139, 937425), (2155, 930465), (2175, 921909), (2325, 862431), (2697, 743475), (3335, 601245), (3565, 562455), (3879, 516925), (4495, 446085), (5175, 387469), (6003, 334025), (6417, 312475), (6465, 310155), (6525, 307303), (6975, 287477), (8091, 247825), (9913, 202275), (10005, 200415), (10695, 187485), (10775, 186093), (12499, 160425), (13361, 150075), (13485, 148695), (16675, 120249), (17825, 112491), (19395, 103385), (20677, 96975), (22475, 89217), (29739, 67425), (30015, 66805), (32085, 62495), (32325, 62031), (37497, 53475), (40083, 50025), (40455, 49565)]