81222120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 305061120

約数和(自身を除く): 223839000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 167, 168, 180, 193, 210, 252, 280, 315, 334, 360, 386, 420, 501, 504, 579, 630, 668, 772, 835, 840, 965, 1002, 1158, 1169, 1260, 1336, 1351, 1503, 1544, 1670, 1737, 1930, 2004, 2316, 2338, 2505, 2520, 2702, 2895, 3006, 3340, 3474, 3507, 3860, 4008, 4053, 4632, 4676, 5010, 5404, 5790, 5845, 6012, 6680, 6755, 6948, 7014, 7515, 7720, 8106, 8685, 9352, 10020, 10521, 10808, 11580, 11690, 12024, 12159, 13510, 13896, 14028, 15030, 16212, 17370, 17535, 20040, 20265, 21042, 23160, 23380, 24318, 27020, 28056, 30060, 32231, 32424, 34740, 35070, 40530, 42084, 46760, 48636, 52605, 54040, 60120, 60795, 64462, 69480, 70140, 81060, 84168, 96693, 97272, 105210, 121590, 128924, 140280, 161155, 162120, 193386, 210420, 225617, 243180, 257848, 290079, 322310, 386772, 420840, 451234, 483465, 486360, 580158, 644620, 676851, 773544, 902468, 966930, 1128085, 1160316, 1289240, 1353702, 1450395, 1804936, 1933860, 2030553, 2256170, 2320632, 2707404, 2900790, 3384255, 3867720, 4061106, 4512340, 5414808, 5801580, 6768510, 8122212, 9024680, 10152765, 11603160, 13537020, 16244424, 20305530, 27074040, 40611060, 81222120]

約数ペア:

[(1, 81222120), (2, 40611060), (3, 27074040), (4, 20305530), (5, 16244424), (6, 13537020), (7, 11603160), (8, 10152765), (9, 9024680), (10, 8122212), (12, 6768510), (14, 5801580), (15, 5414808), (18, 4512340), (20, 4061106), (21, 3867720), (24, 3384255), (28, 2900790), (30, 2707404), (35, 2320632), (36, 2256170), (40, 2030553), (42, 1933860), (45, 1804936), (56, 1450395), (60, 1353702), (63, 1289240), (70, 1160316), (72, 1128085), (84, 966930), (90, 902468), (105, 773544), (120, 676851), (126, 644620), (140, 580158), (167, 486360), (168, 483465), (180, 451234), (193, 420840), (210, 386772), (252, 322310), (280, 290079), (315, 257848), (334, 243180), (360, 225617), (386, 210420), (420, 193386), (501, 162120), (504, 161155), (579, 140280), (630, 128924), (668, 121590), (772, 105210), (835, 97272), (840, 96693), (965, 84168), (1002, 81060), (1158, 70140), (1169, 69480), (1260, 64462), (1336, 60795), (1351, 60120), (1503, 54040), (1544, 52605), (1670, 48636), (1737, 46760), (1930, 42084), (2004, 40530), (2316, 35070), (2338, 34740), (2505, 32424), (2520, 32231), (2702, 30060), (2895, 28056), (3006, 27020), (3340, 24318), (3474, 23380), (3507, 23160), (3860, 21042), (4008, 20265), (4053, 20040), (4632, 17535), (4676, 17370), (5010, 16212), (5404, 15030), (5790, 14028), (5845, 13896), (6012, 13510), (6680, 12159), (6755, 12024), (6948, 11690), (7014, 11580), (7515, 10808), (7720, 10521), (8106, 10020), (8685, 9352)]