218293760

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1295

約数の個数: 80

約数和(自身を含む): 531207072

約数和(自身を除く): 312913312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1136, 1201, 1280, 1420, 2272, 2402, 2560, 2840, 4544, 4804, 5680, 6005, 9088, 9608, 11360, 12010, 18176, 19216, 22720, 24020, 36352, 38432, 45440, 48040, 76864, 85271, 90880, 96080, 153728, 170542, 181760, 192160, 307456, 341084, 384320, 426355, 614912, 682168, 768640, 852710, 1364336, 1537280, 1705420, 2728672, 3074560, 3410840, 5457344, 6821680, 10914688, 13643360, 21829376, 27286720, 43658752, 54573440, 109146880, 218293760]

約数ペア:

[(1, 218293760), (2, 109146880), (4, 54573440), (5, 43658752), (8, 27286720), (10, 21829376), (16, 13643360), (20, 10914688), (32, 6821680), (40, 5457344), (64, 3410840), (71, 3074560), (80, 2728672), (128, 1705420), (142, 1537280), (160, 1364336), (256, 852710), (284, 768640), (320, 682168), (355, 614912), (512, 426355), (568, 384320), (640, 341084), (710, 307456), (1136, 192160), (1201, 181760), (1280, 170542), (1420, 153728), (2272, 96080), (2402, 90880), (2560, 85271), (2840, 76864), (4544, 48040), (4804, 45440), (5680, 38432), (6005, 36352), (9088, 24020), (9608, 22720), (11360, 19216), (12010, 18176)]