18001738720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{88801}}^1$

素因数の和:89004

約数の個数: 96

約数和(自身を含む): 48873779136

約数和(自身を除く): 30872040416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 181, 224, 280, 362, 560, 724, 905, 1120, 1267, 1448, 1810, 2534, 2896, 3620, 5068, 5792, 6335, 7240, 10136, 12670, 14480, 20272, 25340, 28960, 40544, 50680, 88801, 101360, 177602, 202720, 355204, 444005, 621607, 710408, 888010, 1243214, 1420816, 1776020, 2486428, 2841632, 3108035, 3552040, 4972856, 6216070, 7104080, 9945712, 12432140, 14208160, 16072981, 19891424, 24864280, 32145962, 49728560, 64291924, 80364905, 99457120, 112510867, 128583848, 160729810, 225021734, 257167696, 321459620, 450043468, 514335392, 562554335, 642919240, 900086936, 1125108670, 1285838480, 1800173872, 2250217340, 2571676960, 3600347744, 4500434680, 9000869360, 18001738720]

約数ペア:

[(1, 18001738720), (2, 9000869360), (4, 4500434680), (5, 3600347744), (7, 2571676960), (8, 2250217340), (10, 1800173872), (14, 1285838480), (16, 1125108670), (20, 900086936), (28, 642919240), (32, 562554335), (35, 514335392), (40, 450043468), (56, 321459620), (70, 257167696), (80, 225021734), (112, 160729810), (140, 128583848), (160, 112510867), (181, 99457120), (224, 80364905), (280, 64291924), (362, 49728560), (560, 32145962), (724, 24864280), (905, 19891424), (1120, 16072981), (1267, 14208160), (1448, 12432140), (1810, 9945712), (2534, 7104080), (2896, 6216070), (3620, 4972856), (5068, 3552040), (5792, 3108035), (6335, 2841632), (7240, 2486428), (10136, 1776020), (12670, 1420816), (14480, 1243214), (20272, 888010), (25340, 710408), (28960, 621607), (40544, 444005), (50680, 355204), (88801, 202720), (101360, 177602)]