55403880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{65957}}^1$

素因数の和:65978

約数の個数: 64

約数和(自身を含む): 189959040

約数和(自身を除く): 134555160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 65957, 131914, 197871, 263828, 329785, 395742, 461699, 527656, 659570, 791484, 923398, 989355, 1319140, 1385097, 1582968, 1846796, 1978710, 2308495, 2638280, 2770194, 3693592, 3957420, 4616990, 5540388, 6925485, 7914840, 9233980, 11080776, 13850970, 18467960, 27701940, 55403880]

約数ペア:

[(1, 55403880), (2, 27701940), (3, 18467960), (4, 13850970), (5, 11080776), (6, 9233980), (7, 7914840), (8, 6925485), (10, 5540388), (12, 4616990), (14, 3957420), (15, 3693592), (20, 2770194), (21, 2638280), (24, 2308495), (28, 1978710), (30, 1846796), (35, 1582968), (40, 1385097), (42, 1319140), (56, 989355), (60, 923398), (70, 791484), (84, 659570), (105, 527656), (120, 461699), (140, 395742), (168, 329785), (210, 263828), (280, 197871), (420, 131914), (840, 65957)]