247488040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 601228800

約数和(自身を除く): 353740760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 271, 289, 316, 340, 395, 542, 578, 632, 680, 790, 1084, 1156, 1343, 1355, 1445, 1580, 2168, 2312, 2686, 2710, 2890, 3160, 4607, 5372, 5420, 5780, 6715, 9214, 10744, 10840, 11560, 13430, 18428, 21409, 22831, 23035, 26860, 36856, 42818, 45662, 46070, 53720, 78319, 85636, 91324, 92140, 107045, 114155, 156638, 171272, 182648, 184280, 214090, 228310, 313276, 363953, 391595, 428180, 456620, 626552, 727906, 783190, 856360, 913240, 1455812, 1566380, 1819765, 2911624, 3132760, 3639530, 6187201, 7279060, 12374402, 14558120, 24748804, 30936005, 49497608, 61872010, 123744020, 247488040]

約数ペア:

[(1, 247488040), (2, 123744020), (4, 61872010), (5, 49497608), (8, 30936005), (10, 24748804), (17, 14558120), (20, 12374402), (34, 7279060), (40, 6187201), (68, 3639530), (79, 3132760), (85, 2911624), (136, 1819765), (158, 1566380), (170, 1455812), (271, 913240), (289, 856360), (316, 783190), (340, 727906), (395, 626552), (542, 456620), (578, 428180), (632, 391595), (680, 363953), (790, 313276), (1084, 228310), (1156, 214090), (1343, 184280), (1355, 182648), (1445, 171272), (1580, 156638), (2168, 114155), (2312, 107045), (2686, 92140), (2710, 91324), (2890, 85636), (3160, 78319), (4607, 53720), (5372, 46070), (5420, 45662), (5780, 42818), (6715, 36856), (9214, 26860), (10744, 23035), (10840, 22831), (11560, 21409), (13430, 18428)]