216509580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 811819008

約数和(自身を除く): 595309428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 31, 35, 36, 42, 45, 46, 60, 62, 63, 69, 70, 84, 90, 92, 93, 105, 115, 124, 126, 138, 140, 155, 161, 180, 186, 207, 210, 217, 230, 241, 252, 276, 279, 310, 315, 322, 345, 372, 414, 420, 434, 460, 465, 482, 483, 558, 620, 630, 644, 651, 690, 713, 723, 805, 828, 868, 930, 964, 966, 1035, 1085, 1116, 1205, 1260, 1302, 1380, 1395, 1426, 1446, 1449, 1610, 1687, 1860, 1932, 1953, 2070, 2139, 2169, 2170, 2410, 2415, 2604, 2790, 2852, 2892, 2898, 3220, 3255, 3374, 3565, 3615, 3906, 4140, 4278, 4338, 4340, 4820, 4830, 4991, 5061, 5543, 5580, 5796, 6417, 6510, 6748, 7130, 7230, 7245, 7471, 7812, 8435, 8556, 8676, 9660, 9765, 9982, 10122, 10695, 10845, 11086, 12834, 13020, 14260, 14460, 14490, 14942, 14973, 15183, 16629, 16870, 19530, 19964, 20244, 21390, 21690, 22172, 22413, 24955, 25305, 25668, 27715, 28980, 29884, 29946, 30366, 32085, 33258, 33740, 37355, 38801, 39060, 42780, 43380, 44826, 44919, 49887, 49910, 50610, 52297, 55430, 59892, 60732, 64170, 66516, 67239, 74710, 74865, 75915, 77602, 83145, 89652, 89838, 99774, 99820, 101220, 104594, 110860, 112065, 116403, 128340, 134478, 149420, 149730, 151830, 155204, 156891, 166290, 171833, 179676, 194005, 199548, 209188, 224130, 224595, 232806, 249435, 261485, 268956, 299460, 303660, 313782, 332580, 336195, 343666, 349209, 388010, 448260, 449190, 465612, 470673, 498870, 515499, 522970, 582015, 627564, 672390, 687332, 698418, 776020, 784455, 859165, 898380, 941346, 997740, 1030998, 1045940, 1164030, 1202831, 1344780, 1396836, 1546497, 1568910, 1718330, 1746045, 1882692, 2061996, 2328060, 2353365, 2405662, 2577495, 3092994, 3137820, 3436660, 3492090, 3608493, 4706730, 4811324, 5154990, 6014155, 6185988, 6984180, 7216986, 7732485, 9413460, 10309980, 10825479, 12028310, 14433972, 15464970, 18042465, 21650958, 24056620, 30929940, 36084930, 43301916, 54127395, 72169860, 108254790, 216509580]

約数ペア:

[(1, 216509580), (2, 108254790), (3, 72169860), (4, 54127395), (5, 43301916), (6, 36084930), (7, 30929940), (9, 24056620), (10, 21650958), (12, 18042465), (14, 15464970), (15, 14433972), (18, 12028310), (20, 10825479), (21, 10309980), (23, 9413460), (28, 7732485), (30, 7216986), (31, 6984180), (35, 6185988), (36, 6014155), (42, 5154990), (45, 4811324), (46, 4706730), (60, 3608493), (62, 3492090), (63, 3436660), (69, 3137820), (70, 3092994), (84, 2577495), (90, 2405662), (92, 2353365), (93, 2328060), (105, 2061996), (115, 1882692), (124, 1746045), (126, 1718330), (138, 1568910), (140, 1546497), (155, 1396836), (161, 1344780), (180, 1202831), (186, 1164030), (207, 1045940), (210, 1030998), (217, 997740), (230, 941346), (241, 898380), (252, 859165), (276, 784455), (279, 776020), (310, 698418), (315, 687332), (322, 672390), (345, 627564), (372, 582015), (414, 522970), (420, 515499), (434, 498870), (460, 470673), (465, 465612), (482, 449190), (483, 448260), (558, 388010), (620, 349209), (630, 343666), (644, 336195), (651, 332580), (690, 313782), (713, 303660), (723, 299460), (805, 268956), (828, 261485), (868, 249435), (930, 232806), (964, 224595), (966, 224130), (1035, 209188), (1085, 199548), (1116, 194005), (1205, 179676), (1260, 171833), (1302, 166290), (1380, 156891), (1395, 155204), (1426, 151830), (1446, 149730), (1449, 149420), (1610, 134478), (1687, 128340), (1860, 116403), (1932, 112065), (1953, 110860), (2070, 104594), (2139, 101220), (2169, 99820), (2170, 99774), (2410, 89838), (2415, 89652), (2604, 83145), (2790, 77602), (2852, 75915), (2892, 74865), (2898, 74710), (3220, 67239), (3255, 66516), (3374, 64170), (3565, 60732), (3615, 59892), (3906, 55430), (4140, 52297), (4278, 50610), (4338, 49910), (4340, 49887), (4820, 44919), (4830, 44826), (4991, 43380), (5061, 42780), (5543, 39060), (5580, 38801), (5796, 37355), (6417, 33740), (6510, 33258), (6748, 32085), (7130, 30366), (7230, 29946), (7245, 29884), (7471, 28980), (7812, 27715), (8435, 25668), (8556, 25305), (8676, 24955), (9660, 22413), (9765, 22172), (9982, 21690), (10122, 21390), (10695, 20244), (10845, 19964), (11086, 19530), (12834, 16870), (13020, 16629), (14260, 15183), (14460, 14973), (14490, 14942)]