128816000

素因数分解:

$2^7\times 5^3\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 327468960

約数和(自身を除く): 198652960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 97, 100, 125, 128, 160, 166, 194, 200, 250, 320, 332, 388, 400, 415, 485, 500, 640, 664, 776, 800, 830, 970, 1000, 1328, 1552, 1600, 1660, 1940, 2000, 2075, 2425, 2656, 3104, 3200, 3320, 3880, 4000, 4150, 4850, 5312, 6208, 6640, 7760, 8000, 8051, 8300, 9700, 10375, 10624, 12125, 12416, 13280, 15520, 16000, 16102, 16600, 19400, 20750, 24250, 26560, 31040, 32204, 33200, 38800, 40255, 41500, 48500, 53120, 62080, 64408, 66400, 77600, 80510, 83000, 97000, 128816, 132800, 155200, 161020, 166000, 194000, 201275, 257632, 265600, 310400, 322040, 332000, 388000, 402550, 515264, 644080, 664000, 776000, 805100, 1006375, 1030528, 1288160, 1328000, 1552000, 1610200, 2012750, 2576320, 3220400, 4025500, 5152640, 6440800, 8051000, 12881600, 16102000, 25763200, 32204000, 64408000, 128816000]

約数ペア:

[(1, 128816000), (2, 64408000), (4, 32204000), (5, 25763200), (8, 16102000), (10, 12881600), (16, 8051000), (20, 6440800), (25, 5152640), (32, 4025500), (40, 3220400), (50, 2576320), (64, 2012750), (80, 1610200), (83, 1552000), (97, 1328000), (100, 1288160), (125, 1030528), (128, 1006375), (160, 805100), (166, 776000), (194, 664000), (200, 644080), (250, 515264), (320, 402550), (332, 388000), (388, 332000), (400, 322040), (415, 310400), (485, 265600), (500, 257632), (640, 201275), (664, 194000), (776, 166000), (800, 161020), (830, 155200), (970, 132800), (1000, 128816), (1328, 97000), (1552, 83000), (1600, 80510), (1660, 77600), (1940, 66400), (2000, 64408), (2075, 62080), (2425, 53120), (2656, 48500), (3104, 41500), (3200, 40255), (3320, 38800), (3880, 33200), (4000, 32204), (4150, 31040), (4850, 26560), (5312, 24250), (6208, 20750), (6640, 19400), (7760, 16600), (8000, 16102), (8051, 16000), (8300, 15520), (9700, 13280), (10375, 12416), (10624, 12125)]