247437960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 256

約数和(自身を含む): 942796800

約数和(自身を除く): 695358840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 61, 66, 70, 77, 84, 88, 105, 110, 120, 122, 132, 140, 154, 165, 168, 183, 210, 220, 231, 244, 264, 280, 305, 308, 330, 366, 385, 420, 427, 439, 440, 462, 488, 610, 616, 660, 671, 732, 770, 840, 854, 878, 915, 924, 1155, 1220, 1281, 1317, 1320, 1342, 1464, 1540, 1708, 1756, 1830, 1848, 2013, 2135, 2195, 2310, 2440, 2562, 2634, 2684, 3073, 3080, 3355, 3416, 3512, 3660, 4026, 4270, 4390, 4620, 4697, 4829, 5124, 5268, 5368, 6146, 6405, 6585, 6710, 7320, 8052, 8540, 8780, 9219, 9240, 9394, 9658, 10065, 10248, 10536, 12292, 12810, 13170, 13420, 14091, 14487, 15365, 16104, 17080, 17560, 18438, 18788, 19316, 20130, 23485, 24145, 24584, 25620, 26340, 26779, 26840, 28182, 28974, 30730, 33803, 36876, 37576, 38632, 40260, 46095, 46970, 48290, 51240, 52680, 53558, 56364, 57948, 61460, 67606, 70455, 72435, 73752, 80337, 80520, 92190, 93940, 96580, 101409, 107116, 112728, 115896, 122920, 133895, 135212, 140910, 144870, 160674, 169015, 184380, 187453, 187880, 193160, 202818, 214232, 267790, 270424, 281820, 289740, 294569, 321348, 338030, 368760, 374906, 401685, 405636, 507045, 535580, 562359, 563640, 579480, 589138, 642696, 676060, 749812, 803370, 811272, 883707, 937265, 1014090, 1071160, 1124718, 1178276, 1352120, 1472845, 1499624, 1606740, 1767414, 1874530, 2028180, 2061983, 2249436, 2356552, 2811795, 2945690, 3213480, 3534828, 3749060, 4056360, 4123966, 4418535, 4498872, 5623590, 5891380, 6185949, 7069656, 7498120, 8247932, 8837070, 10309915, 11247180, 11782760, 12371898, 16495864, 17674140, 20619830, 22494360, 24743796, 30929745, 35348280, 41239660, 49487592, 61859490, 82479320, 123718980, 247437960]

約数ペア:

[(1, 247437960), (2, 123718980), (3, 82479320), (4, 61859490), (5, 49487592), (6, 41239660), (7, 35348280), (8, 30929745), (10, 24743796), (11, 22494360), (12, 20619830), (14, 17674140), (15, 16495864), (20, 12371898), (21, 11782760), (22, 11247180), (24, 10309915), (28, 8837070), (30, 8247932), (33, 7498120), (35, 7069656), (40, 6185949), (42, 5891380), (44, 5623590), (55, 4498872), (56, 4418535), (60, 4123966), (61, 4056360), (66, 3749060), (70, 3534828), (77, 3213480), (84, 2945690), (88, 2811795), (105, 2356552), (110, 2249436), (120, 2061983), (122, 2028180), (132, 1874530), (140, 1767414), (154, 1606740), (165, 1499624), (168, 1472845), (183, 1352120), (210, 1178276), (220, 1124718), (231, 1071160), (244, 1014090), (264, 937265), (280, 883707), (305, 811272), (308, 803370), (330, 749812), (366, 676060), (385, 642696), (420, 589138), (427, 579480), (439, 563640), (440, 562359), (462, 535580), (488, 507045), (610, 405636), (616, 401685), (660, 374906), (671, 368760), (732, 338030), (770, 321348), (840, 294569), (854, 289740), (878, 281820), (915, 270424), (924, 267790), (1155, 214232), (1220, 202818), (1281, 193160), (1317, 187880), (1320, 187453), (1342, 184380), (1464, 169015), (1540, 160674), (1708, 144870), (1756, 140910), (1830, 135212), (1848, 133895), (2013, 122920), (2135, 115896), (2195, 112728), (2310, 107116), (2440, 101409), (2562, 96580), (2634, 93940), (2684, 92190), (3073, 80520), (3080, 80337), (3355, 73752), (3416, 72435), (3512, 70455), (3660, 67606), (4026, 61460), (4270, 57948), (4390, 56364), (4620, 53558), (4697, 52680), (4829, 51240), (5124, 48290), (5268, 46970), (5368, 46095), (6146, 40260), (6405, 38632), (6585, 37576), (6710, 36876), (7320, 33803), (8052, 30730), (8540, 28974), (8780, 28182), (9219, 26840), (9240, 26779), (9394, 26340), (9658, 25620), (10065, 24584), (10248, 24145), (10536, 23485), (12292, 20130), (12810, 19316), (13170, 18788), (13420, 18438), (14091, 17560), (14487, 17080), (15365, 16104)]