311056680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3319}}^1$

素因数の和:3415

約数の個数: 128

約数和(自身を含む): 1032652800

約数和(自身を除く): 721596120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2343, 2840, 3124, 3319, 3905, 4260, 4686, 6248, 6638, 7810, 8520, 9372, 9957, 11715, 13276, 15620, 16595, 18744, 19914, 23430, 26552, 31240, 33190, 36509, 39828, 46860, 49785, 66380, 73018, 79656, 93720, 99570, 109527, 132760, 146036, 182545, 199140, 219054, 235649, 292072, 365090, 398280, 438108, 471298, 547635, 706947, 730180, 876216, 942596, 1095270, 1178245, 1413894, 1460360, 1885192, 2190540, 2356490, 2592139, 2827788, 3534735, 4381080, 4712980, 5184278, 5655576, 7069470, 7776417, 9425960, 10368556, 12960695, 14138940, 15552834, 20737112, 25921390, 28277880, 31105668, 38882085, 51842780, 62211336, 77764170, 103685560, 155528340, 311056680]

約数ペア:

[(1, 311056680), (2, 155528340), (3, 103685560), (4, 77764170), (5, 62211336), (6, 51842780), (8, 38882085), (10, 31105668), (11, 28277880), (12, 25921390), (15, 20737112), (20, 15552834), (22, 14138940), (24, 12960695), (30, 10368556), (33, 9425960), (40, 7776417), (44, 7069470), (55, 5655576), (60, 5184278), (66, 4712980), (71, 4381080), (88, 3534735), (110, 2827788), (120, 2592139), (132, 2356490), (142, 2190540), (165, 1885192), (213, 1460360), (220, 1413894), (264, 1178245), (284, 1095270), (330, 942596), (355, 876216), (426, 730180), (440, 706947), (568, 547635), (660, 471298), (710, 438108), (781, 398280), (852, 365090), (1065, 292072), (1320, 235649), (1420, 219054), (1562, 199140), (1704, 182545), (2130, 146036), (2343, 132760), (2840, 109527), (3124, 99570), (3319, 93720), (3905, 79656), (4260, 73018), (4686, 66380), (6248, 49785), (6638, 46860), (7810, 39828), (8520, 36509), (9372, 33190), (9957, 31240), (11715, 26552), (13276, 23430), (15620, 19914), (16595, 18744)]