274880720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 663767040

約数和(自身を除く): 388886320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 271, 310, 409, 496, 542, 620, 818, 1084, 1240, 1355, 1636, 2045, 2168, 2480, 2710, 3272, 4090, 4336, 5420, 6544, 8180, 8401, 10840, 12679, 16360, 16802, 21680, 25358, 32720, 33604, 42005, 50716, 63395, 67208, 84010, 101432, 110839, 126790, 134416, 168020, 202864, 221678, 253580, 336040, 443356, 507160, 554195, 672080, 886712, 1014320, 1108390, 1773424, 2216780, 3436009, 4433560, 6872018, 8867120, 13744036, 17180045, 27488072, 34360090, 54976144, 68720180, 137440360, 274880720]

約数ペア:

[(1, 274880720), (2, 137440360), (4, 68720180), (5, 54976144), (8, 34360090), (10, 27488072), (16, 17180045), (20, 13744036), (31, 8867120), (40, 6872018), (62, 4433560), (80, 3436009), (124, 2216780), (155, 1773424), (248, 1108390), (271, 1014320), (310, 886712), (409, 672080), (496, 554195), (542, 507160), (620, 443356), (818, 336040), (1084, 253580), (1240, 221678), (1355, 202864), (1636, 168020), (2045, 134416), (2168, 126790), (2480, 110839), (2710, 101432), (3272, 84010), (4090, 67208), (4336, 63395), (5420, 50716), (6544, 42005), (8180, 33604), (8401, 32720), (10840, 25358), (12679, 21680), (16360, 16802)]