491389080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2647}}^1$

素因数の和:2698

約数の個数: 256

約数和(自身を含む): 1921812480

約数和(自身を除く): 1430423400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2184, 2210, 2380, 2647, 2652, 2730, 2856, 3094, 3315, 3570, 3640, 4420, 4641, 4760, 5294, 5304, 5460, 6188, 6630, 7140, 7735, 7941, 8840, 9282, 10588, 10920, 12376, 13235, 13260, 14280, 15470, 15882, 18529, 18564, 21176, 23205, 26470, 26520, 30940, 31764, 34411, 37058, 37128, 39705, 44999, 46410, 52940, 55587, 61880, 63528, 68822, 74116, 79410, 89998, 92645, 92820, 103233, 105880, 111174, 134997, 137644, 148232, 158820, 172055, 179996, 185290, 185640, 206466, 222348, 224995, 240877, 269994, 275288, 277935, 314993, 317640, 344110, 359992, 370580, 412932, 444696, 449990, 481754, 516165, 539988, 555870, 584987, 629986, 674985, 688220, 722631, 741160, 825864, 899980, 944979, 963508, 1032330, 1079976, 1111740, 1169974, 1204385, 1259972, 1349970, 1376440, 1445262, 1574965, 1754961, 1799960, 1889958, 1927016, 2064660, 2223480, 2339948, 2408770, 2519944, 2699940, 2890524, 2924935, 3149930, 3509922, 3613155, 3779916, 4094909, 4129320, 4679896, 4724895, 4817540, 5399880, 5781048, 5849870, 6299860, 7019844, 7226310, 7559832, 8189818, 8774805, 9449790, 9635080, 11699740, 12284727, 12599720, 14039688, 14452620, 16379636, 17549610, 18899580, 20474545, 23399480, 24569454, 28905240, 32759272, 35099220, 37799160, 40949090, 49138908, 61423635, 70198440, 81898180, 98277816, 122847270, 163796360, 245694540, 491389080]

約数ペア:

[(1, 491389080), (2, 245694540), (3, 163796360), (4, 122847270), (5, 98277816), (6, 81898180), (7, 70198440), (8, 61423635), (10, 49138908), (12, 40949090), (13, 37799160), (14, 35099220), (15, 32759272), (17, 28905240), (20, 24569454), (21, 23399480), (24, 20474545), (26, 18899580), (28, 17549610), (30, 16379636), (34, 14452620), (35, 14039688), (39, 12599720), (40, 12284727), (42, 11699740), (51, 9635080), (52, 9449790), (56, 8774805), (60, 8189818), (65, 7559832), (68, 7226310), (70, 7019844), (78, 6299860), (84, 5849870), (85, 5781048), (91, 5399880), (102, 4817540), (104, 4724895), (105, 4679896), (119, 4129320), (120, 4094909), (130, 3779916), (136, 3613155), (140, 3509922), (156, 3149930), (168, 2924935), (170, 2890524), (182, 2699940), (195, 2519944), (204, 2408770), (210, 2339948), (221, 2223480), (238, 2064660), (255, 1927016), (260, 1889958), (273, 1799960), (280, 1754961), (312, 1574965), (340, 1445262), (357, 1376440), (364, 1349970), (390, 1259972), (408, 1204385), (420, 1169974), (442, 1111740), (455, 1079976), (476, 1032330), (510, 963508), (520, 944979), (546, 899980), (595, 825864), (663, 741160), (680, 722631), (714, 688220), (728, 674985), (780, 629986), (840, 584987), (884, 555870), (910, 539988), (952, 516165), (1020, 481754), (1092, 449990), (1105, 444696), (1190, 412932), (1326, 370580), (1365, 359992), (1428, 344110), (1547, 317640), (1560, 314993), (1768, 277935), (1785, 275288), (1820, 269994), (2040, 240877), (2184, 224995), (2210, 222348), (2380, 206466), (2647, 185640), (2652, 185290), (2730, 179996), (2856, 172055), (3094, 158820), (3315, 148232), (3570, 137644), (3640, 134997), (4420, 111174), (4641, 105880), (4760, 103233), (5294, 92820), (5304, 92645), (5460, 89998), (6188, 79410), (6630, 74116), (7140, 68822), (7735, 63528), (7941, 61880), (8840, 55587), (9282, 52940), (10588, 46410), (10920, 44999), (12376, 39705), (13235, 37128), (13260, 37058), (14280, 34411), (15470, 31764), (15882, 30940), (18529, 26520), (18564, 26470), (21176, 23205)]