781479120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:662

約数の個数: 240

約数和(自身を含む): 2713487040

約数和(自身を除く): 1932007920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 289, 304, 323, 340, 380, 408, 456, 510, 570, 578, 593, 646, 680, 760, 816, 867, 912, 969, 1020, 1140, 1156, 1186, 1292, 1360, 1445, 1520, 1615, 1734, 1779, 1938, 2040, 2280, 2312, 2372, 2584, 2890, 2965, 3230, 3468, 3558, 3876, 4080, 4335, 4560, 4624, 4744, 4845, 5168, 5491, 5780, 5930, 6460, 6936, 7116, 7752, 8670, 8895, 9488, 9690, 10081, 10982, 11267, 11560, 11860, 12920, 13872, 14232, 15504, 16473, 17340, 17790, 19380, 20162, 21964, 22534, 23120, 23720, 25840, 27455, 28464, 30243, 32946, 33801, 34680, 35580, 38760, 40324, 43928, 45068, 47440, 50405, 54910, 56335, 60486, 65892, 67602, 69360, 71160, 77520, 80648, 82365, 87856, 90136, 100810, 109820, 112670, 120972, 131784, 135204, 142320, 151215, 161296, 164730, 169005, 171377, 180272, 191539, 201620, 219640, 225340, 241944, 263568, 270408, 302430, 329460, 338010, 342754, 383078, 403240, 439280, 450680, 483888, 514131, 540816, 574617, 604860, 658920, 676020, 685508, 766156, 806480, 856885, 901360, 957695, 1028262, 1149234, 1209720, 1317840, 1352040, 1371016, 1532312, 1713770, 1915390, 2056524, 2298468, 2419440, 2570655, 2704080, 2742032, 2873085, 3064624, 3256163, 3427540, 3830780, 4113048, 4596936, 5141310, 5746170, 6512326, 6855080, 7661560, 8226096, 9193872, 9768489, 10282620, 11492340, 13024652, 13710160, 15323120, 16280815, 19536978, 20565240, 22984680, 26049304, 32561630, 39073956, 41130480, 45969360, 48842445, 52098608, 65123260, 78147912, 97684890, 130246520, 156295824, 195369780, 260493040, 390739560, 781479120]

約数ペア:

[(1, 781479120), (2, 390739560), (3, 260493040), (4, 195369780), (5, 156295824), (6, 130246520), (8, 97684890), (10, 78147912), (12, 65123260), (15, 52098608), (16, 48842445), (17, 45969360), (19, 41130480), (20, 39073956), (24, 32561630), (30, 26049304), (34, 22984680), (38, 20565240), (40, 19536978), (48, 16280815), (51, 15323120), (57, 13710160), (60, 13024652), (68, 11492340), (76, 10282620), (80, 9768489), (85, 9193872), (95, 8226096), (102, 7661560), (114, 6855080), (120, 6512326), (136, 5746170), (152, 5141310), (170, 4596936), (190, 4113048), (204, 3830780), (228, 3427540), (240, 3256163), (255, 3064624), (272, 2873085), (285, 2742032), (289, 2704080), (304, 2570655), (323, 2419440), (340, 2298468), (380, 2056524), (408, 1915390), (456, 1713770), (510, 1532312), (570, 1371016), (578, 1352040), (593, 1317840), (646, 1209720), (680, 1149234), (760, 1028262), (816, 957695), (867, 901360), (912, 856885), (969, 806480), (1020, 766156), (1140, 685508), (1156, 676020), (1186, 658920), (1292, 604860), (1360, 574617), (1445, 540816), (1520, 514131), (1615, 483888), (1734, 450680), (1779, 439280), (1938, 403240), (2040, 383078), (2280, 342754), (2312, 338010), (2372, 329460), (2584, 302430), (2890, 270408), (2965, 263568), (3230, 241944), (3468, 225340), (3558, 219640), (3876, 201620), (4080, 191539), (4335, 180272), (4560, 171377), (4624, 169005), (4744, 164730), (4845, 161296), (5168, 151215), (5491, 142320), (5780, 135204), (5930, 131784), (6460, 120972), (6936, 112670), (7116, 109820), (7752, 100810), (8670, 90136), (8895, 87856), (9488, 82365), (9690, 80648), (10081, 77520), (10982, 71160), (11267, 69360), (11560, 67602), (11860, 65892), (12920, 60486), (13872, 56335), (14232, 54910), (15504, 50405), (16473, 47440), (17340, 45068), (17790, 43928), (19380, 40324), (20162, 38760), (21964, 35580), (22534, 34680), (23120, 33801), (23720, 32946), (25840, 30243), (27455, 28464)]