2155195520

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 5265097200

約数和(自身を除く): 3109901680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 157, 160, 178, 241, 314, 320, 356, 445, 482, 628, 640, 712, 785, 890, 964, 1205, 1256, 1424, 1570, 1780, 1928, 2410, 2512, 2848, 3140, 3560, 3856, 4820, 5024, 5696, 6280, 7120, 7712, 9640, 10048, 11392, 12560, 13973, 14240, 15424, 19280, 20096, 21449, 25120, 27946, 28480, 30848, 37837, 38560, 42898, 50240, 55892, 56960, 69865, 75674, 77120, 85796, 100480, 107245, 111784, 139730, 151348, 154240, 171592, 189185, 214490, 223568, 279460, 302696, 343184, 378370, 428980, 447136, 558920, 605392, 686368, 756740, 857960, 894272, 1117840, 1210784, 1372736, 1513480, 1715920, 1788544, 2235680, 2421568, 2745472, 3026960, 3367493, 3431840, 4471360, 4843136, 6053920, 6734986, 6863680, 8942720, 12107840, 13469972, 13727360, 16837465, 24215680, 26939944, 33674930, 53879888, 67349860, 107759776, 134699720, 215519552, 269399440, 431039104, 538798880, 1077597760, 2155195520]

約数ペア:

[(1, 2155195520), (2, 1077597760), (4, 538798880), (5, 431039104), (8, 269399440), (10, 215519552), (16, 134699720), (20, 107759776), (32, 67349860), (40, 53879888), (64, 33674930), (80, 26939944), (89, 24215680), (128, 16837465), (157, 13727360), (160, 13469972), (178, 12107840), (241, 8942720), (314, 6863680), (320, 6734986), (356, 6053920), (445, 4843136), (482, 4471360), (628, 3431840), (640, 3367493), (712, 3026960), (785, 2745472), (890, 2421568), (964, 2235680), (1205, 1788544), (1256, 1715920), (1424, 1513480), (1570, 1372736), (1780, 1210784), (1928, 1117840), (2410, 894272), (2512, 857960), (2848, 756740), (3140, 686368), (3560, 605392), (3856, 558920), (4820, 447136), (5024, 428980), (5696, 378370), (6280, 343184), (7120, 302696), (7712, 279460), (9640, 223568), (10048, 214490), (11392, 189185), (12560, 171592), (13973, 154240), (14240, 151348), (15424, 139730), (19280, 111784), (20096, 107245), (21449, 100480), (25120, 85796), (27946, 77120), (28480, 75674), (30848, 69865), (37837, 56960), (38560, 55892), (42898, 50240)]