621688620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:644

約数の個数: 192

約数和(自身を含む): 2095349760

約数和(自身を除く): 1473661140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 139, 140, 161, 210, 230, 276, 278, 322, 345, 417, 420, 460, 463, 483, 556, 644, 690, 695, 805, 834, 926, 966, 973, 1380, 1389, 1390, 1610, 1668, 1852, 1932, 1946, 2085, 2315, 2415, 2778, 2780, 2919, 3197, 3220, 3241, 3892, 4170, 4630, 4830, 4865, 5556, 5838, 6394, 6482, 6945, 8340, 9260, 9591, 9660, 9723, 9730, 10649, 11676, 12788, 12964, 13890, 14595, 15985, 16205, 19182, 19446, 19460, 21298, 22379, 27780, 29190, 31947, 31970, 32410, 38364, 38892, 42596, 44758, 47955, 48615, 53245, 58380, 63894, 63940, 64357, 64820, 67137, 74543, 89516, 95910, 97230, 106490, 111895, 127788, 128714, 134274, 149086, 159735, 191820, 193071, 194460, 212980, 223629, 223790, 257428, 268548, 298172, 319470, 321785, 335685, 372715, 386142, 447258, 447580, 450499, 638940, 643570, 671370, 745430, 772284, 894516, 900998, 965355, 1118145, 1287140, 1342740, 1351497, 1480211, 1490860, 1801996, 1930710, 2236290, 2252495, 2702994, 2960422, 3861420, 4440633, 4472580, 4504990, 5405988, 5920844, 6757485, 7401055, 8881266, 9009980, 10361477, 13514970, 14802110, 17762532, 20722954, 22203165, 27029940, 29604220, 31084431, 41445908, 44406330, 51807385, 62168862, 88812660, 103614770, 124337724, 155422155, 207229540, 310844310, 621688620]

約数ペア:

[(1, 621688620), (2, 310844310), (3, 207229540), (4, 155422155), (5, 124337724), (6, 103614770), (7, 88812660), (10, 62168862), (12, 51807385), (14, 44406330), (15, 41445908), (20, 31084431), (21, 29604220), (23, 27029940), (28, 22203165), (30, 20722954), (35, 17762532), (42, 14802110), (46, 13514970), (60, 10361477), (69, 9009980), (70, 8881266), (84, 7401055), (92, 6757485), (105, 5920844), (115, 5405988), (138, 4504990), (139, 4472580), (140, 4440633), (161, 3861420), (210, 2960422), (230, 2702994), (276, 2252495), (278, 2236290), (322, 1930710), (345, 1801996), (417, 1490860), (420, 1480211), (460, 1351497), (463, 1342740), (483, 1287140), (556, 1118145), (644, 965355), (690, 900998), (695, 894516), (805, 772284), (834, 745430), (926, 671370), (966, 643570), (973, 638940), (1380, 450499), (1389, 447580), (1390, 447258), (1610, 386142), (1668, 372715), (1852, 335685), (1932, 321785), (1946, 319470), (2085, 298172), (2315, 268548), (2415, 257428), (2778, 223790), (2780, 223629), (2919, 212980), (3197, 194460), (3220, 193071), (3241, 191820), (3892, 159735), (4170, 149086), (4630, 134274), (4830, 128714), (4865, 127788), (5556, 111895), (5838, 106490), (6394, 97230), (6482, 95910), (6945, 89516), (8340, 74543), (9260, 67137), (9591, 64820), (9660, 64357), (9723, 63940), (9730, 63894), (10649, 58380), (11676, 53245), (12788, 48615), (12964, 47955), (13890, 44758), (14595, 42596), (15985, 38892), (16205, 38364), (19182, 32410), (19446, 31970), (19460, 31947), (21298, 29190), (22379, 27780)]