261087360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 256

約数和(自身を含む): 929750400

約数和(自身を除く): 668663040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 272, 285, 304, 320, 323, 340, 380, 384, 408, 421, 456, 480, 510, 544, 570, 608, 640, 646, 680, 760, 816, 842, 912, 960, 969, 1020, 1088, 1140, 1216, 1263, 1292, 1360, 1520, 1615, 1632, 1684, 1824, 1920, 1938, 2040, 2105, 2176, 2280, 2432, 2526, 2584, 2720, 3040, 3230, 3264, 3368, 3648, 3876, 4080, 4210, 4560, 4845, 5052, 5168, 5440, 6080, 6315, 6460, 6528, 6736, 7157, 7296, 7752, 7999, 8160, 8420, 9120, 9690, 10104, 10336, 10880, 12160, 12630, 12920, 13472, 14314, 15504, 15998, 16320, 16840, 18240, 19380, 20208, 20672, 21471, 23997, 25260, 25840, 26944, 28628, 31008, 31996, 32640, 33680, 35785, 36480, 38760, 39995, 40416, 41344, 42942, 47994, 50520, 51680, 53888, 57256, 62016, 63992, 67360, 71570, 77520, 79990, 80832, 85884, 95988, 101040, 103360, 107355, 114512, 119985, 124032, 127984, 134720, 135983, 143140, 155040, 159980, 161664, 171768, 191976, 202080, 206720, 214710, 229024, 239970, 255968, 269440, 271966, 286280, 310080, 319960, 343536, 383952, 404160, 407949, 429420, 458048, 479940, 511936, 543932, 572560, 620160, 639920, 679915, 687072, 767904, 808320, 815898, 858840, 916096, 959880, 1023872, 1087864, 1145120, 1279840, 1359830, 1374144, 1535808, 1631796, 1717680, 1919760, 2039745, 2175728, 2290240, 2559680, 2719660, 2748288, 3071616, 3263592, 3435360, 3839520, 4079490, 4351456, 4580480, 5119360, 5439320, 6527184, 6870720, 7679040, 8158980, 8702912, 10878640, 13054368, 13741440, 15358080, 16317960, 17405824, 21757280, 26108736, 32635920, 43514560, 52217472, 65271840, 87029120, 130543680, 261087360]

約数ペア:

[(1, 261087360), (2, 130543680), (3, 87029120), (4, 65271840), (5, 52217472), (6, 43514560), (8, 32635920), (10, 26108736), (12, 21757280), (15, 17405824), (16, 16317960), (17, 15358080), (19, 13741440), (20, 13054368), (24, 10878640), (30, 8702912), (32, 8158980), (34, 7679040), (38, 6870720), (40, 6527184), (48, 5439320), (51, 5119360), (57, 4580480), (60, 4351456), (64, 4079490), (68, 3839520), (76, 3435360), (80, 3263592), (85, 3071616), (95, 2748288), (96, 2719660), (102, 2559680), (114, 2290240), (120, 2175728), (128, 2039745), (136, 1919760), (152, 1717680), (160, 1631796), (170, 1535808), (190, 1374144), (192, 1359830), (204, 1279840), (228, 1145120), (240, 1087864), (255, 1023872), (272, 959880), (285, 916096), (304, 858840), (320, 815898), (323, 808320), (340, 767904), (380, 687072), (384, 679915), (408, 639920), (421, 620160), (456, 572560), (480, 543932), (510, 511936), (544, 479940), (570, 458048), (608, 429420), (640, 407949), (646, 404160), (680, 383952), (760, 343536), (816, 319960), (842, 310080), (912, 286280), (960, 271966), (969, 269440), (1020, 255968), (1088, 239970), (1140, 229024), (1216, 214710), (1263, 206720), (1292, 202080), (1360, 191976), (1520, 171768), (1615, 161664), (1632, 159980), (1684, 155040), (1824, 143140), (1920, 135983), (1938, 134720), (2040, 127984), (2105, 124032), (2176, 119985), (2280, 114512), (2432, 107355), (2526, 103360), (2584, 101040), (2720, 95988), (3040, 85884), (3230, 80832), (3264, 79990), (3368, 77520), (3648, 71570), (3876, 67360), (4080, 63992), (4210, 62016), (4560, 57256), (4845, 53888), (5052, 51680), (5168, 50520), (5440, 47994), (6080, 42942), (6315, 41344), (6460, 40416), (6528, 39995), (6736, 38760), (7157, 36480), (7296, 35785), (7752, 33680), (7999, 32640), (8160, 31996), (8420, 31008), (9120, 28628), (9690, 26944), (10104, 25840), (10336, 25260), (10880, 23997), (12160, 21471), (12630, 20672), (12920, 20208), (13472, 19380), (14314, 18240), (15504, 16840), (15998, 16320)]