1655583720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{7669}}^1$

素因数の和:7947

約数の個数: 128

約数和(自身を含む): 5699116800

約数和(自身を除く): 4043533080

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, 257, 280, 420, 514, 771, 840, 1028, 1285, 1542, 1799, 2056, 2570, 3084, 3598, 3855, 5140, 5397, 6168, 7196, 7669, 7710, 8995, 10280, 10794, 14392, 15338, 15420, 17990, 21588, 23007, 26985, 30676, 30840, 35980, 38345, 43176, 46014, 53683, 53970, 61352, 71960, 76690, 92028, 107366, 107940, 115035, 153380, 161049, 184056, 214732, 215880, 230070, 268415, 306760, 322098, 429464, 460140, 536830, 644196, 805245, 920280, 1073660, 1288392, 1610490, 1970933, 2147320, 3220980, 3941866, 5912799, 6441960, 7883732, 9854665, 11825598, 13796531, 15767464, 19709330, 23651196, 27593062, 29563995, 39418660, 41389593, 47302392, 55186124, 59127990, 68982655, 78837320, 82779186, 110372248, 118255980, 137965310, 165558372, 206947965, 236511960, 275930620, 331116744, 413895930, 551861240, 827791860, 1655583720]

約数ペア:

[(1, 1655583720), (2, 827791860), (3, 551861240), (4, 413895930), (5, 331116744), (6, 275930620), (7, 236511960), (8, 206947965), (10, 165558372), (12, 137965310), (14, 118255980), (15, 110372248), (20, 82779186), (21, 78837320), (24, 68982655), (28, 59127990), (30, 55186124), (35, 47302392), (40, 41389593), (42, 39418660), (56, 29563995), (60, 27593062), (70, 23651196), (84, 19709330), (105, 15767464), (120, 13796531), (140, 11825598), (168, 9854665), (210, 7883732), (257, 6441960), (280, 5912799), (420, 3941866), (514, 3220980), (771, 2147320), (840, 1970933), (1028, 1610490), (1285, 1288392), (1542, 1073660), (1799, 920280), (2056, 805245), (2570, 644196), (3084, 536830), (3598, 460140), (3855, 429464), (5140, 322098), (5397, 306760), (6168, 268415), (7196, 230070), (7669, 215880), (7710, 214732), (8995, 184056), (10280, 161049), (10794, 153380), (14392, 115035), (15338, 107940), (15420, 107366), (17990, 92028), (21588, 76690), (23007, 71960), (26985, 61352), (30676, 53970), (30840, 53683), (35980, 46014), (38345, 43176)]