55439580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 183284640

約数和(自身を除く): 127845060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 173, 196, 210, 218, 245, 294, 327, 346, 420, 436, 490, 519, 545, 588, 654, 692, 735, 763, 865, 980, 1038, 1090, 1211, 1308, 1470, 1526, 1635, 1730, 2076, 2180, 2289, 2422, 2595, 2940, 3052, 3270, 3460, 3633, 3815, 4578, 4844, 5190, 5341, 6055, 6540, 7266, 7630, 8477, 9156, 10380, 10682, 11445, 12110, 14532, 15260, 16023, 16954, 18165, 18857, 21364, 22890, 24220, 25431, 26705, 32046, 33908, 36330, 37714, 42385, 45780, 50862, 53410, 56571, 64092, 72660, 75428, 80115, 84770, 94285, 101724, 106820, 113142, 127155, 131999, 160230, 169540, 188570, 226284, 254310, 263998, 282855, 320460, 377140, 395997, 508620, 527996, 565710, 659995, 791994, 923993, 1131420, 1319990, 1583988, 1847986, 1979985, 2639980, 2771979, 3695972, 3959970, 4619965, 5543958, 7919940, 9239930, 11087916, 13859895, 18479860, 27719790, 55439580]

約数ペア:

[(1, 55439580), (2, 27719790), (3, 18479860), (4, 13859895), (5, 11087916), (6, 9239930), (7, 7919940), (10, 5543958), (12, 4619965), (14, 3959970), (15, 3695972), (20, 2771979), (21, 2639980), (28, 1979985), (30, 1847986), (35, 1583988), (42, 1319990), (49, 1131420), (60, 923993), (70, 791994), (84, 659995), (98, 565710), (105, 527996), (109, 508620), (140, 395997), (147, 377140), (173, 320460), (196, 282855), (210, 263998), (218, 254310), (245, 226284), (294, 188570), (327, 169540), (346, 160230), (420, 131999), (436, 127155), (490, 113142), (519, 106820), (545, 101724), (588, 94285), (654, 84770), (692, 80115), (735, 75428), (763, 72660), (865, 64092), (980, 56571), (1038, 53410), (1090, 50862), (1211, 45780), (1308, 42385), (1470, 37714), (1526, 36330), (1635, 33908), (1730, 32046), (2076, 26705), (2180, 25431), (2289, 24220), (2422, 22890), (2595, 21364), (2940, 18857), (3052, 18165), (3270, 16954), (3460, 16023), (3633, 15260), (3815, 14532), (4578, 12110), (4844, 11445), (5190, 10682), (5341, 10380), (6055, 9156), (6540, 8477), (7266, 7630)]