213097520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 509967360

約数和(自身を除く): 296869840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 166, 268, 332, 335, 415, 479, 536, 664, 670, 830, 958, 1072, 1328, 1340, 1660, 1916, 2395, 2680, 3320, 3832, 4790, 5360, 5561, 6640, 7664, 9580, 11122, 19160, 22244, 27805, 32093, 38320, 39757, 44488, 55610, 64186, 79514, 88976, 111220, 128372, 159028, 160465, 198785, 222440, 256744, 318056, 320930, 397570, 444880, 513488, 636112, 641860, 795140, 1283720, 1590280, 2567440, 2663719, 3180560, 5327438, 10654876, 13318595, 21309752, 26637190, 42619504, 53274380, 106548760, 213097520]

約数ペア:

[(1, 213097520), (2, 106548760), (4, 53274380), (5, 42619504), (8, 26637190), (10, 21309752), (16, 13318595), (20, 10654876), (40, 5327438), (67, 3180560), (80, 2663719), (83, 2567440), (134, 1590280), (166, 1283720), (268, 795140), (332, 641860), (335, 636112), (415, 513488), (479, 444880), (536, 397570), (664, 320930), (670, 318056), (830, 256744), (958, 222440), (1072, 198785), (1328, 160465), (1340, 159028), (1660, 128372), (1916, 111220), (2395, 88976), (2680, 79514), (3320, 64186), (3832, 55610), (4790, 44488), (5360, 39757), (5561, 38320), (6640, 32093), (7664, 27805), (9580, 22244), (11122, 19160)]