128051200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 330564780

約数和(自身を除く): 202513580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 61, 64, 80, 82, 100, 122, 128, 160, 164, 200, 205, 244, 256, 305, 320, 328, 400, 410, 488, 512, 610, 640, 656, 800, 820, 976, 1024, 1025, 1220, 1280, 1312, 1525, 1600, 1640, 1952, 2048, 2050, 2440, 2501, 2560, 2624, 3050, 3200, 3280, 3904, 4100, 4880, 5002, 5120, 5248, 6100, 6400, 6560, 7808, 8200, 9760, 10004, 10240, 10496, 12200, 12505, 12800, 13120, 15616, 16400, 19520, 20008, 20992, 24400, 25010, 25600, 26240, 31232, 32800, 39040, 40016, 41984, 48800, 50020, 51200, 52480, 62464, 62525, 65600, 78080, 80032, 83968, 97600, 100040, 104960, 124928, 125050, 131200, 156160, 160064, 195200, 200080, 209920, 250100, 262400, 312320, 320128, 390400, 400160, 419840, 500200, 524800, 624640, 640256, 780800, 800320, 1000400, 1049600, 1280512, 1561600, 1600640, 2000800, 2099200, 2561024, 3123200, 3201280, 4001600, 5122048, 6402560, 8003200, 12805120, 16006400, 25610240, 32012800, 64025600, 128051200]

約数ペア:

[(1, 128051200), (2, 64025600), (4, 32012800), (5, 25610240), (8, 16006400), (10, 12805120), (16, 8003200), (20, 6402560), (25, 5122048), (32, 4001600), (40, 3201280), (41, 3123200), (50, 2561024), (61, 2099200), (64, 2000800), (80, 1600640), (82, 1561600), (100, 1280512), (122, 1049600), (128, 1000400), (160, 800320), (164, 780800), (200, 640256), (205, 624640), (244, 524800), (256, 500200), (305, 419840), (320, 400160), (328, 390400), (400, 320128), (410, 312320), (488, 262400), (512, 250100), (610, 209920), (640, 200080), (656, 195200), (800, 160064), (820, 156160), (976, 131200), (1024, 125050), (1025, 124928), (1220, 104960), (1280, 100040), (1312, 97600), (1525, 83968), (1600, 80032), (1640, 78080), (1952, 65600), (2048, 62525), (2050, 62464), (2440, 52480), (2501, 51200), (2560, 50020), (2624, 48800), (3050, 41984), (3200, 40016), (3280, 39040), (3904, 32800), (4100, 31232), (4880, 26240), (5002, 25600), (5120, 25010), (5248, 24400), (6100, 20992), (6400, 20008), (6560, 19520), (7808, 16400), (8200, 15616), (9760, 13120), (10004, 12800), (10240, 12505), (10496, 12200)]