81689040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 160

約数和(自身を含む): 286588800

約数和(自身を除く): 204899760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 108, 118, 120, 135, 144, 177, 180, 216, 236, 240, 270, 295, 354, 360, 432, 472, 531, 540, 590, 641, 708, 720, 885, 944, 1062, 1080, 1180, 1282, 1416, 1593, 1770, 1923, 2124, 2160, 2360, 2564, 2655, 2832, 3186, 3205, 3540, 3846, 4248, 4720, 5128, 5310, 5769, 6372, 6410, 7080, 7692, 7965, 8496, 9615, 10256, 10620, 11538, 12744, 12820, 14160, 15384, 15930, 17307, 19230, 21240, 23076, 25488, 25640, 28845, 30768, 31860, 34614, 37819, 38460, 42480, 46152, 51280, 57690, 63720, 69228, 75638, 76920, 86535, 92304, 113457, 115380, 127440, 138456, 151276, 153840, 173070, 189095, 226914, 230760, 276912, 302552, 340371, 346140, 378190, 453828, 461520, 567285, 605104, 680742, 692280, 756380, 907656, 1021113, 1134570, 1361484, 1384560, 1512760, 1701855, 1815312, 2042226, 2269140, 2722968, 3025520, 3403710, 4084452, 4538280, 5105565, 5445936, 6807420, 8168904, 9076560, 10211130, 13614840, 16337808, 20422260, 27229680, 40844520, 81689040]

約数ペア:

[(1, 81689040), (2, 40844520), (3, 27229680), (4, 20422260), (5, 16337808), (6, 13614840), (8, 10211130), (9, 9076560), (10, 8168904), (12, 6807420), (15, 5445936), (16, 5105565), (18, 4538280), (20, 4084452), (24, 3403710), (27, 3025520), (30, 2722968), (36, 2269140), (40, 2042226), (45, 1815312), (48, 1701855), (54, 1512760), (59, 1384560), (60, 1361484), (72, 1134570), (80, 1021113), (90, 907656), (108, 756380), (118, 692280), (120, 680742), (135, 605104), (144, 567285), (177, 461520), (180, 453828), (216, 378190), (236, 346140), (240, 340371), (270, 302552), (295, 276912), (354, 230760), (360, 226914), (432, 189095), (472, 173070), (531, 153840), (540, 151276), (590, 138456), (641, 127440), (708, 115380), (720, 113457), (885, 92304), (944, 86535), (1062, 76920), (1080, 75638), (1180, 69228), (1282, 63720), (1416, 57690), (1593, 51280), (1770, 46152), (1923, 42480), (2124, 38460), (2160, 37819), (2360, 34614), (2564, 31860), (2655, 30768), (2832, 28845), (3186, 25640), (3205, 25488), (3540, 23076), (3846, 21240), (4248, 19230), (4720, 17307), (5128, 15930), (5310, 15384), (5769, 14160), (6372, 12820), (6410, 12744), (7080, 11538), (7692, 10620), (7965, 10256), (8496, 9615)]