30205760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 79497936

約数和(自身を除く): 49292176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 137, 160, 208, 212, 260, 265, 274, 320, 416, 424, 520, 530, 548, 685, 689, 832, 848, 1040, 1060, 1096, 1370, 1378, 1696, 1781, 2080, 2120, 2192, 2740, 2756, 3392, 3445, 3562, 4160, 4240, 4384, 5480, 5512, 6890, 7124, 7261, 8480, 8768, 8905, 10960, 11024, 13780, 14248, 14522, 16960, 17810, 21920, 22048, 27560, 28496, 29044, 35620, 36305, 43840, 44096, 55120, 56992, 58088, 71240, 72610, 94393, 110240, 113984, 116176, 142480, 145220, 188786, 220480, 232352, 284960, 290440, 377572, 464704, 471965, 569920, 580880, 755144, 943930, 1161760, 1510288, 1887860, 2323520, 3020576, 3775720, 6041152, 7551440, 15102880, 30205760]

約数ペア:

[(1, 30205760), (2, 15102880), (4, 7551440), (5, 6041152), (8, 3775720), (10, 3020576), (13, 2323520), (16, 1887860), (20, 1510288), (26, 1161760), (32, 943930), (40, 755144), (52, 580880), (53, 569920), (64, 471965), (65, 464704), (80, 377572), (104, 290440), (106, 284960), (130, 232352), (137, 220480), (160, 188786), (208, 145220), (212, 142480), (260, 116176), (265, 113984), (274, 110240), (320, 94393), (416, 72610), (424, 71240), (520, 58088), (530, 56992), (548, 55120), (685, 44096), (689, 43840), (832, 36305), (848, 35620), (1040, 29044), (1060, 28496), (1096, 27560), (1370, 22048), (1378, 21920), (1696, 17810), (1781, 16960), (2080, 14522), (2120, 14248), (2192, 13780), (2740, 11024), (2756, 10960), (3392, 8905), (3445, 8768), (3562, 8480), (4160, 7261), (4240, 7124), (4384, 6890), (5480, 5512)]