128947920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 419973120

約数和(自身を除く): 291025200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 97, 116, 120, 145, 174, 191, 194, 232, 240, 290, 291, 348, 382, 388, 435, 464, 485, 573, 580, 582, 696, 764, 776, 870, 955, 970, 1146, 1160, 1164, 1392, 1455, 1528, 1552, 1740, 1910, 1940, 2292, 2320, 2328, 2813, 2865, 2910, 3056, 3480, 3820, 3880, 4584, 4656, 5539, 5626, 5730, 5820, 6960, 7640, 7760, 8439, 9168, 11078, 11252, 11460, 11640, 14065, 15280, 16617, 16878, 18527, 22156, 22504, 22920, 23280, 27695, 28130, 33234, 33756, 37054, 42195, 44312, 45008, 45840, 55390, 55581, 56260, 66468, 67512, 74108, 83085, 84390, 88624, 92635, 110780, 111162, 112520, 132936, 135024, 148216, 166170, 168780, 185270, 221560, 222324, 225040, 265872, 277905, 296432, 332340, 337560, 370540, 443120, 444648, 537283, 555810, 664680, 675120, 741080, 889296, 1074566, 1111620, 1329360, 1482160, 1611849, 2149132, 2223240, 2686415, 3223698, 4298264, 4446480, 5372830, 6447396, 8059245, 8596528, 10745660, 12894792, 16118490, 21491320, 25789584, 32236980, 42982640, 64473960, 128947920]

約数ペア:

[(1, 128947920), (2, 64473960), (3, 42982640), (4, 32236980), (5, 25789584), (6, 21491320), (8, 16118490), (10, 12894792), (12, 10745660), (15, 8596528), (16, 8059245), (20, 6447396), (24, 5372830), (29, 4446480), (30, 4298264), (40, 3223698), (48, 2686415), (58, 2223240), (60, 2149132), (80, 1611849), (87, 1482160), (97, 1329360), (116, 1111620), (120, 1074566), (145, 889296), (174, 741080), (191, 675120), (194, 664680), (232, 555810), (240, 537283), (290, 444648), (291, 443120), (348, 370540), (382, 337560), (388, 332340), (435, 296432), (464, 277905), (485, 265872), (573, 225040), (580, 222324), (582, 221560), (696, 185270), (764, 168780), (776, 166170), (870, 148216), (955, 135024), (970, 132936), (1146, 112520), (1160, 111162), (1164, 110780), (1392, 92635), (1455, 88624), (1528, 84390), (1552, 83085), (1740, 74108), (1910, 67512), (1940, 66468), (2292, 56260), (2320, 55581), (2328, 55390), (2813, 45840), (2865, 45008), (2910, 44312), (3056, 42195), (3480, 37054), (3820, 33756), (3880, 33234), (4584, 28130), (4656, 27695), (5539, 23280), (5626, 22920), (5730, 22504), (5820, 22156), (6960, 18527), (7640, 16878), (7760, 16617), (8439, 15280), (9168, 14065), (11078, 11640), (11252, 11460)]