155678720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 390368160

約数和(自身を除く): 234689440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 661, 736, 920, 1024, 1280, 1322, 1472, 1840, 2048, 2560, 2644, 2944, 3305, 3680, 5120, 5288, 5888, 6610, 7360, 10240, 10576, 11776, 13220, 14720, 15203, 21152, 23552, 26440, 29440, 30406, 42304, 47104, 52880, 58880, 60812, 76015, 84608, 105760, 117760, 121624, 152030, 169216, 211520, 235520, 243248, 304060, 338432, 423040, 486496, 608120, 676864, 846080, 972992, 1216240, 1353728, 1692160, 1945984, 2432480, 3384320, 3891968, 4864960, 6768640, 7783936, 9729920, 15567872, 19459840, 31135744, 38919680, 77839360, 155678720]

約数ペア:

[(1, 155678720), (2, 77839360), (4, 38919680), (5, 31135744), (8, 19459840), (10, 15567872), (16, 9729920), (20, 7783936), (23, 6768640), (32, 4864960), (40, 3891968), (46, 3384320), (64, 2432480), (80, 1945984), (92, 1692160), (115, 1353728), (128, 1216240), (160, 972992), (184, 846080), (230, 676864), (256, 608120), (320, 486496), (368, 423040), (460, 338432), (512, 304060), (640, 243248), (661, 235520), (736, 211520), (920, 169216), (1024, 152030), (1280, 121624), (1322, 117760), (1472, 105760), (1840, 84608), (2048, 76015), (2560, 60812), (2644, 58880), (2944, 52880), (3305, 47104), (3680, 42304), (5120, 30406), (5288, 29440), (5888, 26440), (6610, 23552), (7360, 21152), (10240, 15203), (10576, 14720), (11776, 13220)]