7901988480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1520

約数の個数: 256

約数和(自身を含む): 28077580800

約数和(自身を除く): 20175592320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 431, 432, 480, 540, 576, 640, 720, 862, 864, 960, 1061, 1080, 1152, 1293, 1440, 1724, 1728, 1920, 2122, 2155, 2160, 2586, 2880, 3183, 3448, 3456, 3879, 4244, 4310, 4320, 5172, 5305, 5760, 6366, 6465, 6896, 7758, 8488, 8620, 8640, 9549, 10344, 10610, 11637, 12732, 12930, 13792, 15516, 15915, 16976, 17240, 17280, 19098, 19395, 20688, 21220, 23274, 25464, 25860, 27584, 28647, 31032, 31830, 33952, 34480, 38196, 38790, 41376, 42440, 46548, 47745, 50928, 51720, 55168, 57294, 58185, 62064, 63660, 67904, 68960, 76392, 77580, 82752, 84880, 93096, 95490, 101856, 103440, 114588, 116370, 124128, 127320, 135808, 137920, 143235, 152784, 155160, 165504, 169760, 186192, 190980, 203712, 206880, 229176, 232740, 248256, 254640, 275840, 286470, 305568, 310320, 339520, 372384, 381960, 407424, 413760, 457291, 458352, 465480, 496512, 509280, 572940, 611136, 620640, 679040, 744768, 763920, 827520, 914582, 916704, 930960, 1018560, 1145880, 1222272, 1241280, 1371873, 1489536, 1527840, 1829164, 1833408, 1861920, 2037120, 2286455, 2291760, 2482560, 2743746, 3055680, 3658328, 3666816, 3723840, 4115619, 4572910, 4583520, 5487492, 6111360, 6859365, 7316656, 7447680, 8231238, 9145820, 9167040, 10974984, 12346857, 13718730, 14633312, 16462476, 18291640, 18334080, 20578095, 21949968, 24693714, 27437460, 29266624, 32924952, 36583280, 41156190, 43899936, 49387428, 54874920, 58533248, 61734285, 65849904, 73166560, 82312380, 87799872, 98774856, 109749840, 123468570, 131699808, 146333120, 164624760, 175599744, 197549712, 219499680, 246937140, 263399616, 292666240, 329249520, 395099424, 438999360, 493874280, 526799232, 658499040, 790198848, 877998720, 987748560, 1316998080, 1580397696, 1975497120, 2633996160, 3950994240, 7901988480]

約数ペア:

[(1, 7901988480), (2, 3950994240), (3, 2633996160), (4, 1975497120), (5, 1580397696), (6, 1316998080), (8, 987748560), (9, 877998720), (10, 790198848), (12, 658499040), (15, 526799232), (16, 493874280), (18, 438999360), (20, 395099424), (24, 329249520), (27, 292666240), (30, 263399616), (32, 246937140), (36, 219499680), (40, 197549712), (45, 175599744), (48, 164624760), (54, 146333120), (60, 131699808), (64, 123468570), (72, 109749840), (80, 98774856), (90, 87799872), (96, 82312380), (108, 73166560), (120, 65849904), (128, 61734285), (135, 58533248), (144, 54874920), (160, 49387428), (180, 43899936), (192, 41156190), (216, 36583280), (240, 32924952), (270, 29266624), (288, 27437460), (320, 24693714), (360, 21949968), (384, 20578095), (431, 18334080), (432, 18291640), (480, 16462476), (540, 14633312), (576, 13718730), (640, 12346857), (720, 10974984), (862, 9167040), (864, 9145820), (960, 8231238), (1061, 7447680), (1080, 7316656), (1152, 6859365), (1293, 6111360), (1440, 5487492), (1724, 4583520), (1728, 4572910), (1920, 4115619), (2122, 3723840), (2155, 3666816), (2160, 3658328), (2586, 3055680), (2880, 2743746), (3183, 2482560), (3448, 2291760), (3456, 2286455), (3879, 2037120), (4244, 1861920), (4310, 1833408), (4320, 1829164), (5172, 1527840), (5305, 1489536), (5760, 1371873), (6366, 1241280), (6465, 1222272), (6896, 1145880), (7758, 1018560), (8488, 930960), (8620, 916704), (8640, 914582), (9549, 827520), (10344, 763920), (10610, 744768), (11637, 679040), (12732, 620640), (12930, 611136), (13792, 572940), (15516, 509280), (15915, 496512), (16976, 465480), (17240, 458352), (17280, 457291), (19098, 413760), (19395, 407424), (20688, 381960), (21220, 372384), (23274, 339520), (25464, 310320), (25860, 305568), (27584, 286470), (28647, 275840), (31032, 254640), (31830, 248256), (33952, 232740), (34480, 229176), (38196, 206880), (38790, 203712), (41376, 190980), (42440, 186192), (46548, 169760), (47745, 165504), (50928, 155160), (51720, 152784), (55168, 143235), (57294, 137920), (58185, 135808), (62064, 127320), (63660, 124128), (67904, 116370), (68960, 114588), (76392, 103440), (77580, 101856), (82752, 95490), (84880, 93096)]