155431920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13217}}^1$

素因数の和:13247

約数の個数: 120

約数和(自身を含む): 560548944

約数和(自身を除く): 405117024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 13217, 26434, 39651, 52868, 66085, 79302, 92519, 105736, 132170, 158604, 185038, 198255, 211472, 264340, 277557, 317208, 370076, 396510, 462595, 528680, 555114, 634416, 647633, 740152, 793020, 925190, 1057360, 1110228, 1295266, 1387785, 1480304, 1586040, 1850380, 1942899, 2220456, 2590532, 2775570, 3172080, 3238165, 3700760, 3885798, 4440912, 5181064, 5551140, 6476330, 7401520, 7771596, 9714495, 10362128, 11102280, 12952660, 15543192, 19428990, 22204560, 25905320, 31086384, 38857980, 51810640, 77715960, 155431920]

約数ペア:

[(1, 155431920), (2, 77715960), (3, 51810640), (4, 38857980), (5, 31086384), (6, 25905320), (7, 22204560), (8, 19428990), (10, 15543192), (12, 12952660), (14, 11102280), (15, 10362128), (16, 9714495), (20, 7771596), (21, 7401520), (24, 6476330), (28, 5551140), (30, 5181064), (35, 4440912), (40, 3885798), (42, 3700760), (48, 3238165), (49, 3172080), (56, 2775570), (60, 2590532), (70, 2220456), (80, 1942899), (84, 1850380), (98, 1586040), (105, 1480304), (112, 1387785), (120, 1295266), (140, 1110228), (147, 1057360), (168, 925190), (196, 793020), (210, 740152), (240, 647633), (245, 634416), (280, 555114), (294, 528680), (336, 462595), (392, 396510), (420, 370076), (490, 317208), (560, 277557), (588, 264340), (735, 211472), (784, 198255), (840, 185038), (980, 158604), (1176, 132170), (1470, 105736), (1680, 92519), (1960, 79302), (2352, 66085), (2940, 52868), (3920, 39651), (5880, 26434), (11760, 13217)]