289420920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 1059149520

約数和(自身を除く): 769728600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 131, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 262, 285, 306, 323, 340, 342, 360, 361, 380, 393, 408, 456, 510, 524, 570, 612, 646, 655, 680, 684, 722, 760, 765, 786, 855, 969, 1020, 1048, 1083, 1140, 1179, 1224, 1292, 1310, 1368, 1444, 1530, 1572, 1615, 1710, 1805, 1938, 1965, 2040, 2166, 2227, 2280, 2358, 2489, 2584, 2620, 2888, 2907, 3060, 3144, 3230, 3249, 3420, 3610, 3876, 3930, 4332, 4454, 4716, 4845, 4978, 5240, 5415, 5814, 5895, 6120, 6137, 6460, 6498, 6681, 6840, 7220, 7467, 7752, 7860, 8664, 8908, 9432, 9690, 9956, 10830, 11135, 11628, 11790, 12274, 12445, 12920, 12996, 13362, 14440, 14535, 14934, 15720, 16245, 17816, 18411, 19380, 19912, 20043, 21660, 22270, 22401, 23256, 23580, 24548, 24890, 25992, 26724, 29070, 29868, 30685, 32490, 33405, 36822, 37335, 38760, 40086, 42313, 43320, 44540, 44802, 47160, 47291, 49096, 49780, 53448, 55233, 58140, 59736, 61370, 64980, 66810, 73644, 74670, 80172, 84626, 89080, 89604, 92055, 94582, 99560, 100215, 110466, 112005, 116280, 122740, 126939, 129960, 133620, 141873, 147288, 149340, 160344, 169252, 179208, 184110, 189164, 200430, 211565, 220932, 224010, 236455, 245480, 253878, 267240, 276165, 283746, 298680, 338504, 368220, 378328, 380817, 400860, 423130, 425619, 441864, 448020, 472910, 507756, 552330, 567492, 634695, 709365, 736440, 761634, 801720, 803947, 846260, 851238, 896040, 945820, 1015512, 1104660, 1134984, 1269390, 1418730, 1523268, 1607894, 1692520, 1702476, 1891640, 1904085, 2128095, 2209320, 2411841, 2538780, 2837460, 3046536, 3215788, 3404952, 3808170, 4019735, 4256190, 4823682, 5077560, 5674920, 6431576, 7235523, 7616340, 8039470, 8512380, 9647364, 12059205, 14471046, 15232680, 16078940, 17024760, 19294728, 24118410, 28942092, 32157880, 36177615, 48236820, 57884184, 72355230, 96473640, 144710460, 289420920]

約数ペア:

[(1, 289420920), (2, 144710460), (3, 96473640), (4, 72355230), (5, 57884184), (6, 48236820), (8, 36177615), (9, 32157880), (10, 28942092), (12, 24118410), (15, 19294728), (17, 17024760), (18, 16078940), (19, 15232680), (20, 14471046), (24, 12059205), (30, 9647364), (34, 8512380), (36, 8039470), (38, 7616340), (40, 7235523), (45, 6431576), (51, 5674920), (57, 5077560), (60, 4823682), (68, 4256190), (72, 4019735), (76, 3808170), (85, 3404952), (90, 3215788), (95, 3046536), (102, 2837460), (114, 2538780), (120, 2411841), (131, 2209320), (136, 2128095), (152, 1904085), (153, 1891640), (170, 1702476), (171, 1692520), (180, 1607894), (190, 1523268), (204, 1418730), (228, 1269390), (255, 1134984), (262, 1104660), (285, 1015512), (306, 945820), (323, 896040), (340, 851238), (342, 846260), (360, 803947), (361, 801720), (380, 761634), (393, 736440), (408, 709365), (456, 634695), (510, 567492), (524, 552330), (570, 507756), (612, 472910), (646, 448020), (655, 441864), (680, 425619), (684, 423130), (722, 400860), (760, 380817), (765, 378328), (786, 368220), (855, 338504), (969, 298680), (1020, 283746), (1048, 276165), (1083, 267240), (1140, 253878), (1179, 245480), (1224, 236455), (1292, 224010), (1310, 220932), (1368, 211565), (1444, 200430), (1530, 189164), (1572, 184110), (1615, 179208), (1710, 169252), (1805, 160344), (1938, 149340), (1965, 147288), (2040, 141873), (2166, 133620), (2227, 129960), (2280, 126939), (2358, 122740), (2489, 116280), (2584, 112005), (2620, 110466), (2888, 100215), (2907, 99560), (3060, 94582), (3144, 92055), (3230, 89604), (3249, 89080), (3420, 84626), (3610, 80172), (3876, 74670), (3930, 73644), (4332, 66810), (4454, 64980), (4716, 61370), (4845, 59736), (4978, 58140), (5240, 55233), (5415, 53448), (5814, 49780), (5895, 49096), (6120, 47291), (6137, 47160), (6460, 44802), (6498, 44540), (6681, 43320), (6840, 42313), (7220, 40086), (7467, 38760), (7752, 37335), (7860, 36822), (8664, 33405), (8908, 32490), (9432, 30685), (9690, 29868), (9956, 29070), (10830, 26724), (11135, 25992), (11628, 24890), (11790, 24548), (12274, 23580), (12445, 23256), (12920, 22401), (12996, 22270), (13362, 21660), (14440, 20043), (14535, 19912), (14934, 19380), (15720, 18411), (16245, 17816)]