15430280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 37152000

約数和(自身を除く): 21721720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 257, 316, 380, 395, 514, 632, 760, 790, 1028, 1285, 1501, 1580, 2056, 2570, 3002, 3160, 4883, 5140, 6004, 7505, 9766, 10280, 12008, 15010, 19532, 20303, 24415, 30020, 39064, 40606, 48830, 60040, 81212, 97660, 101515, 162424, 195320, 203030, 385757, 406060, 771514, 812120, 1543028, 1928785, 3086056, 3857570, 7715140, 15430280]

約数ペア:

[(1, 15430280), (2, 7715140), (4, 3857570), (5, 3086056), (8, 1928785), (10, 1543028), (19, 812120), (20, 771514), (38, 406060), (40, 385757), (76, 203030), (79, 195320), (95, 162424), (152, 101515), (158, 97660), (190, 81212), (257, 60040), (316, 48830), (380, 40606), (395, 39064), (514, 30020), (632, 24415), (760, 20303), (790, 19532), (1028, 15010), (1285, 12008), (1501, 10280), (1580, 9766), (2056, 7505), (2570, 6004), (3002, 5140), (3160, 4883)]