16857720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 240

約数和(自身を含む): 63728280

約数和(自身を除く): 46870560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 43, 44, 45, 54, 55, 60, 66, 72, 81, 86, 88, 90, 99, 108, 110, 120, 121, 129, 132, 135, 162, 165, 172, 180, 198, 215, 216, 220, 242, 258, 264, 270, 297, 324, 330, 344, 360, 363, 387, 396, 405, 430, 440, 473, 484, 495, 516, 540, 594, 605, 645, 648, 660, 726, 774, 792, 810, 860, 891, 946, 968, 990, 1032, 1080, 1089, 1161, 1188, 1210, 1290, 1320, 1419, 1452, 1485, 1548, 1620, 1720, 1782, 1815, 1892, 1935, 1980, 2178, 2322, 2365, 2376, 2420, 2580, 2838, 2904, 2970, 3096, 3240, 3267, 3483, 3564, 3630, 3784, 3870, 3960, 4257, 4356, 4455, 4644, 4730, 4840, 5160, 5203, 5445, 5676, 5805, 5940, 6534, 6966, 7095, 7128, 7260, 7740, 8514, 8712, 8910, 9288, 9460, 9801, 10406, 10890, 11352, 11610, 11880, 12771, 13068, 13932, 14190, 14520, 15480, 15609, 16335, 17028, 17415, 17820, 18920, 19602, 20812, 21285, 21780, 23220, 25542, 26015, 26136, 27864, 28380, 31218, 32670, 34056, 34830, 35640, 38313, 39204, 41624, 42570, 43560, 46440, 46827, 49005, 51084, 52030, 56760, 62436, 63855, 65340, 69660, 76626, 78045, 78408, 85140, 93654, 98010, 102168, 104060, 124872, 127710, 130680, 139320, 140481, 153252, 156090, 170280, 187308, 191565, 196020, 208120, 234135, 255420, 280962, 306504, 312180, 374616, 383130, 392040, 421443, 468270, 510840, 561924, 624360, 702405, 766260, 842886, 936540, 1123848, 1404810, 1532520, 1685772, 1873080, 2107215, 2809620, 3371544, 4214430, 5619240, 8428860, 16857720]

約数ペア:

[(1, 16857720), (2, 8428860), (3, 5619240), (4, 4214430), (5, 3371544), (6, 2809620), (8, 2107215), (9, 1873080), (10, 1685772), (11, 1532520), (12, 1404810), (15, 1123848), (18, 936540), (20, 842886), (22, 766260), (24, 702405), (27, 624360), (30, 561924), (33, 510840), (36, 468270), (40, 421443), (43, 392040), (44, 383130), (45, 374616), (54, 312180), (55, 306504), (60, 280962), (66, 255420), (72, 234135), (81, 208120), (86, 196020), (88, 191565), (90, 187308), (99, 170280), (108, 156090), (110, 153252), (120, 140481), (121, 139320), (129, 130680), (132, 127710), (135, 124872), (162, 104060), (165, 102168), (172, 98010), (180, 93654), (198, 85140), (215, 78408), (216, 78045), (220, 76626), (242, 69660), (258, 65340), (264, 63855), (270, 62436), (297, 56760), (324, 52030), (330, 51084), (344, 49005), (360, 46827), (363, 46440), (387, 43560), (396, 42570), (405, 41624), (430, 39204), (440, 38313), (473, 35640), (484, 34830), (495, 34056), (516, 32670), (540, 31218), (594, 28380), (605, 27864), (645, 26136), (648, 26015), (660, 25542), (726, 23220), (774, 21780), (792, 21285), (810, 20812), (860, 19602), (891, 18920), (946, 17820), (968, 17415), (990, 17028), (1032, 16335), (1080, 15609), (1089, 15480), (1161, 14520), (1188, 14190), (1210, 13932), (1290, 13068), (1320, 12771), (1419, 11880), (1452, 11610), (1485, 11352), (1548, 10890), (1620, 10406), (1720, 9801), (1782, 9460), (1815, 9288), (1892, 8910), (1935, 8712), (1980, 8514), (2178, 7740), (2322, 7260), (2365, 7128), (2376, 7095), (2420, 6966), (2580, 6534), (2838, 5940), (2904, 5805), (2970, 5676), (3096, 5445), (3240, 5203), (3267, 5160), (3483, 4840), (3564, 4730), (3630, 4644), (3784, 4455), (3870, 4356), (3960, 4257)]