505568280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 256

約数和(自身を含む): 1804032000

約数和(自身を除く): 1298463720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 173, 196, 210, 213, 245, 280, 284, 294, 343, 346, 355, 392, 420, 426, 490, 497, 519, 568, 588, 686, 692, 710, 735, 840, 852, 865, 980, 994, 1029, 1038, 1065, 1176, 1211, 1372, 1384, 1420, 1470, 1491, 1704, 1715, 1730, 1960, 1988, 2058, 2076, 2130, 2422, 2485, 2595, 2744, 2840, 2940, 2982, 3430, 3460, 3479, 3633, 3976, 4116, 4152, 4260, 4844, 4970, 5145, 5190, 5880, 5964, 6055, 6860, 6920, 6958, 7266, 7455, 8232, 8477, 8520, 9688, 9940, 10290, 10380, 10437, 11928, 12110, 12283, 13720, 13916, 14532, 14910, 16954, 17395, 18165, 19880, 20580, 20760, 20874, 24220, 24353, 24566, 25431, 27832, 29064, 29820, 33908, 34790, 36330, 36849, 41160, 41748, 42385, 48440, 48706, 49132, 50862, 52185, 59339, 59640, 61415, 67816, 69580, 72660, 73059, 73698, 83496, 84770, 85981, 97412, 98264, 101724, 104370, 118678, 121765, 122830, 127155, 139160, 145320, 146118, 147396, 169540, 171962, 178017, 184245, 194824, 203448, 208740, 237356, 243530, 245660, 254310, 257943, 292236, 294792, 296695, 339080, 343924, 356034, 365295, 368490, 417480, 429905, 474712, 487060, 491320, 508620, 515886, 584472, 593390, 601867, 687848, 712068, 730590, 736980, 859810, 890085, 974120, 1017240, 1031772, 1186780, 1203734, 1289715, 1424136, 1461180, 1473960, 1719620, 1780170, 1805601, 2063544, 2373560, 2407468, 2579430, 2922360, 3009335, 3439240, 3560340, 3611202, 4213069, 4814936, 5158860, 6018670, 7120680, 7222404, 8426138, 9028005, 10317720, 12037340, 12639207, 14444808, 16852276, 18056010, 21065345, 24074680, 25278414, 33704552, 36112020, 42130690, 50556828, 63196035, 72224040, 84261380, 101113656, 126392070, 168522760, 252784140, 505568280]

約数ペア:

[(1, 505568280), (2, 252784140), (3, 168522760), (4, 126392070), (5, 101113656), (6, 84261380), (7, 72224040), (8, 63196035), (10, 50556828), (12, 42130690), (14, 36112020), (15, 33704552), (20, 25278414), (21, 24074680), (24, 21065345), (28, 18056010), (30, 16852276), (35, 14444808), (40, 12639207), (42, 12037340), (49, 10317720), (56, 9028005), (60, 8426138), (70, 7222404), (71, 7120680), (84, 6018670), (98, 5158860), (105, 4814936), (120, 4213069), (140, 3611202), (142, 3560340), (147, 3439240), (168, 3009335), (173, 2922360), (196, 2579430), (210, 2407468), (213, 2373560), (245, 2063544), (280, 1805601), (284, 1780170), (294, 1719620), (343, 1473960), (346, 1461180), (355, 1424136), (392, 1289715), (420, 1203734), (426, 1186780), (490, 1031772), (497, 1017240), (519, 974120), (568, 890085), (588, 859810), (686, 736980), (692, 730590), (710, 712068), (735, 687848), (840, 601867), (852, 593390), (865, 584472), (980, 515886), (994, 508620), (1029, 491320), (1038, 487060), (1065, 474712), (1176, 429905), (1211, 417480), (1372, 368490), (1384, 365295), (1420, 356034), (1470, 343924), (1491, 339080), (1704, 296695), (1715, 294792), (1730, 292236), (1960, 257943), (1988, 254310), (2058, 245660), (2076, 243530), (2130, 237356), (2422, 208740), (2485, 203448), (2595, 194824), (2744, 184245), (2840, 178017), (2940, 171962), (2982, 169540), (3430, 147396), (3460, 146118), (3479, 145320), (3633, 139160), (3976, 127155), (4116, 122830), (4152, 121765), (4260, 118678), (4844, 104370), (4970, 101724), (5145, 98264), (5190, 97412), (5880, 85981), (5964, 84770), (6055, 83496), (6860, 73698), (6920, 73059), (6958, 72660), (7266, 69580), (7455, 67816), (8232, 61415), (8477, 59640), (8520, 59339), (9688, 52185), (9940, 50862), (10290, 49132), (10380, 48706), (10437, 48440), (11928, 42385), (12110, 41748), (12283, 41160), (13720, 36849), (13916, 36330), (14532, 34790), (14910, 33908), (16954, 29820), (17395, 29064), (18165, 27832), (19880, 25431), (20580, 24566), (20760, 24353), (20874, 24220)]