251479440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:662

約数の個数: 240

約数和(自身を含む): 919226880

約数和(自身を除く): 667747440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 593, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1186, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1779, 1860, 2232, 2280, 2356, 2372, 2480, 2736, 2790, 2945, 2965, 3420, 3534, 3558, 3720, 4464, 4560, 4712, 4744, 5301, 5337, 5580, 5890, 5930, 6840, 7068, 7116, 7440, 8835, 8895, 9424, 9488, 10602, 10674, 11160, 11267, 11780, 11860, 13680, 14136, 14232, 17670, 17790, 18383, 21204, 21348, 22320, 22534, 23560, 23720, 26505, 26685, 28272, 28464, 33801, 35340, 35580, 36766, 42408, 42696, 45068, 47120, 47440, 53010, 53370, 55149, 56335, 67602, 70680, 71160, 73532, 84816, 85392, 90136, 91915, 101403, 106020, 106740, 110298, 112670, 135204, 141360, 142320, 147064, 165447, 169005, 180272, 183830, 202806, 212040, 213480, 220596, 225340, 270408, 275745, 294128, 330894, 338010, 349277, 367660, 405612, 424080, 426960, 441192, 450680, 507015, 540816, 551490, 661788, 676020, 698554, 735320, 811224, 827235, 882384, 901360, 1014030, 1047831, 1102980, 1323576, 1352040, 1397108, 1470640, 1622448, 1654470, 1746385, 2028060, 2095662, 2205960, 2647152, 2704080, 2794216, 3143493, 3308940, 3492770, 4056120, 4191324, 4411920, 5239155, 5588432, 6286986, 6617880, 6985540, 8112240, 8382648, 10478310, 12573972, 13235760, 13971080, 15717465, 16765296, 20956620, 25147944, 27942160, 31434930, 41913240, 50295888, 62869860, 83826480, 125739720, 251479440]

約数ペア:

[(1, 251479440), (2, 125739720), (3, 83826480), (4, 62869860), (5, 50295888), (6, 41913240), (8, 31434930), (9, 27942160), (10, 25147944), (12, 20956620), (15, 16765296), (16, 15717465), (18, 13971080), (19, 13235760), (20, 12573972), (24, 10478310), (30, 8382648), (31, 8112240), (36, 6985540), (38, 6617880), (40, 6286986), (45, 5588432), (48, 5239155), (57, 4411920), (60, 4191324), (62, 4056120), (72, 3492770), (76, 3308940), (80, 3143493), (90, 2794216), (93, 2704080), (95, 2647152), (114, 2205960), (120, 2095662), (124, 2028060), (144, 1746385), (152, 1654470), (155, 1622448), (171, 1470640), (180, 1397108), (186, 1352040), (190, 1323576), (228, 1102980), (240, 1047831), (248, 1014030), (279, 901360), (285, 882384), (304, 827235), (310, 811224), (342, 735320), (360, 698554), (372, 676020), (380, 661788), (456, 551490), (465, 540816), (496, 507015), (558, 450680), (570, 441192), (589, 426960), (593, 424080), (620, 405612), (684, 367660), (720, 349277), (744, 338010), (760, 330894), (855, 294128), (912, 275745), (930, 270408), (1116, 225340), (1140, 220596), (1178, 213480), (1186, 212040), (1240, 202806), (1368, 183830), (1395, 180272), (1488, 169005), (1520, 165447), (1710, 147064), (1767, 142320), (1779, 141360), (1860, 135204), (2232, 112670), (2280, 110298), (2356, 106740), (2372, 106020), (2480, 101403), (2736, 91915), (2790, 90136), (2945, 85392), (2965, 84816), (3420, 73532), (3534, 71160), (3558, 70680), (3720, 67602), (4464, 56335), (4560, 55149), (4712, 53370), (4744, 53010), (5301, 47440), (5337, 47120), (5580, 45068), (5890, 42696), (5930, 42408), (6840, 36766), (7068, 35580), (7116, 35340), (7440, 33801), (8835, 28464), (8895, 28272), (9424, 26685), (9488, 26505), (10602, 23720), (10674, 23560), (11160, 22534), (11267, 22320), (11780, 21348), (11860, 21204), (13680, 18383), (14136, 17790), (14232, 17670)]