287172840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 256

約数和(自身を含む): 995328000

約数和(自身を除く): 708155160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 31, 34, 38, 40, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 120, 124, 136, 152, 155, 170, 186, 190, 204, 228, 239, 248, 255, 285, 310, 323, 340, 372, 380, 408, 456, 465, 478, 510, 527, 570, 589, 620, 646, 680, 717, 744, 760, 930, 956, 969, 1020, 1054, 1140, 1178, 1195, 1240, 1292, 1434, 1581, 1615, 1767, 1860, 1912, 1938, 2040, 2108, 2280, 2356, 2390, 2584, 2635, 2868, 2945, 3162, 3230, 3534, 3585, 3720, 3876, 4063, 4216, 4541, 4712, 4780, 4845, 5270, 5736, 5890, 6324, 6460, 7068, 7170, 7409, 7752, 7905, 8126, 8835, 9082, 9560, 9690, 10013, 10540, 11780, 12189, 12648, 12920, 13623, 14136, 14340, 14818, 15810, 16252, 17670, 18164, 19380, 20026, 20315, 21080, 22227, 22705, 23560, 24378, 27246, 28680, 29636, 30039, 31620, 32504, 35340, 36328, 37045, 38760, 40052, 40630, 44454, 45410, 48756, 50065, 54492, 59272, 60078, 60945, 63240, 68115, 70680, 74090, 77197, 80104, 81260, 88908, 90820, 97512, 100130, 108984, 111135, 120156, 121890, 125953, 136230, 140771, 148180, 150195, 154394, 162520, 177816, 181640, 200260, 222270, 231591, 240312, 243780, 251906, 272460, 281542, 296360, 300390, 308788, 377859, 385985, 400520, 422313, 444540, 463182, 487560, 503812, 544920, 563084, 600780, 617576, 629765, 703855, 755718, 771970, 844626, 889080, 926364, 1007624, 1126168, 1157955, 1201560, 1259530, 1407710, 1511436, 1543940, 1689252, 1852728, 1889295, 2111565, 2315910, 2393107, 2519060, 2815420, 3022872, 3087880, 3378504, 3778590, 4223130, 4631820, 4786214, 5038120, 5630840, 7179321, 7557180, 8446260, 9263640, 9572428, 11965535, 14358642, 15114360, 16892520, 19144856, 23931070, 28717284, 35896605, 47862140, 57434568, 71793210, 95724280, 143586420, 287172840]

約数ペア:

[(1, 287172840), (2, 143586420), (3, 95724280), (4, 71793210), (5, 57434568), (6, 47862140), (8, 35896605), (10, 28717284), (12, 23931070), (15, 19144856), (17, 16892520), (19, 15114360), (20, 14358642), (24, 11965535), (30, 9572428), (31, 9263640), (34, 8446260), (38, 7557180), (40, 7179321), (51, 5630840), (57, 5038120), (60, 4786214), (62, 4631820), (68, 4223130), (76, 3778590), (85, 3378504), (93, 3087880), (95, 3022872), (102, 2815420), (114, 2519060), (120, 2393107), (124, 2315910), (136, 2111565), (152, 1889295), (155, 1852728), (170, 1689252), (186, 1543940), (190, 1511436), (204, 1407710), (228, 1259530), (239, 1201560), (248, 1157955), (255, 1126168), (285, 1007624), (310, 926364), (323, 889080), (340, 844626), (372, 771970), (380, 755718), (408, 703855), (456, 629765), (465, 617576), (478, 600780), (510, 563084), (527, 544920), (570, 503812), (589, 487560), (620, 463182), (646, 444540), (680, 422313), (717, 400520), (744, 385985), (760, 377859), (930, 308788), (956, 300390), (969, 296360), (1020, 281542), (1054, 272460), (1140, 251906), (1178, 243780), (1195, 240312), (1240, 231591), (1292, 222270), (1434, 200260), (1581, 181640), (1615, 177816), (1767, 162520), (1860, 154394), (1912, 150195), (1938, 148180), (2040, 140771), (2108, 136230), (2280, 125953), (2356, 121890), (2390, 120156), (2584, 111135), (2635, 108984), (2868, 100130), (2945, 97512), (3162, 90820), (3230, 88908), (3534, 81260), (3585, 80104), (3720, 77197), (3876, 74090), (4063, 70680), (4216, 68115), (4541, 63240), (4712, 60945), (4780, 60078), (4845, 59272), (5270, 54492), (5736, 50065), (5890, 48756), (6324, 45410), (6460, 44454), (7068, 40630), (7170, 40052), (7409, 38760), (7752, 37045), (7905, 36328), (8126, 35340), (8835, 32504), (9082, 31620), (9560, 30039), (9690, 29636), (10013, 28680), (10540, 27246), (11780, 24378), (12189, 23560), (12648, 22705), (12920, 22227), (13623, 21080), (14136, 20315), (14340, 20026), (14818, 19380), (15810, 18164), (16252, 17670)]