216494460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13252

約数の個数: 144

約数和(自身を含む): 808307136

約数和(自身を除く): 591812676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 13217, 16380, 26434, 39651, 52868, 66085, 79302, 92519, 118953, 132170, 158604, 171821, 185038, 198255, 237906, 264340, 277557, 343642, 370076, 396510, 462595, 475812, 515463, 555114, 594765, 687284, 793020, 832671, 859105, 925190, 1030926, 1110228, 1189530, 1202747, 1387785, 1546389, 1665342, 1718210, 1850380, 2061852, 2379060, 2405494, 2577315, 2775570, 3092778, 3330684, 3436420, 3608241, 4163355, 4810988, 5154630, 5551140, 6013735, 6185556, 7216482, 7731945, 8326710, 10309260, 10824723, 12027470, 14432964, 15463890, 16653420, 18041205, 21649446, 24054940, 30927780, 36082410, 43298892, 54123615, 72164820, 108247230, 216494460]

約数ペア:

[(1, 216494460), (2, 108247230), (3, 72164820), (4, 54123615), (5, 43298892), (6, 36082410), (7, 30927780), (9, 24054940), (10, 21649446), (12, 18041205), (13, 16653420), (14, 15463890), (15, 14432964), (18, 12027470), (20, 10824723), (21, 10309260), (26, 8326710), (28, 7731945), (30, 7216482), (35, 6185556), (36, 6013735), (39, 5551140), (42, 5154630), (45, 4810988), (52, 4163355), (60, 3608241), (63, 3436420), (65, 3330684), (70, 3092778), (78, 2775570), (84, 2577315), (90, 2405494), (91, 2379060), (105, 2061852), (117, 1850380), (126, 1718210), (130, 1665342), (140, 1546389), (156, 1387785), (180, 1202747), (182, 1189530), (195, 1110228), (210, 1030926), (234, 925190), (252, 859105), (260, 832671), (273, 793020), (315, 687284), (364, 594765), (390, 555114), (420, 515463), (455, 475812), (468, 462595), (546, 396510), (585, 370076), (630, 343642), (780, 277557), (819, 264340), (910, 237906), (1092, 198255), (1170, 185038), (1260, 171821), (1365, 158604), (1638, 132170), (1820, 118953), (2340, 92519), (2730, 79302), (3276, 66085), (4095, 52868), (5460, 39651), (8190, 26434), (13217, 16380)]