64015280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 172369920

約数和(自身を除く): 108354640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1447, 1580, 2212, 2765, 2894, 3160, 4424, 5530, 5788, 6320, 7235, 8848, 10129, 11060, 11576, 14470, 20258, 22120, 23152, 28940, 40516, 44240, 50645, 57880, 81032, 101290, 114313, 115760, 162064, 202580, 228626, 405160, 457252, 571565, 800191, 810320, 914504, 1143130, 1600382, 1829008, 2286260, 3200764, 4000955, 4572520, 6401528, 8001910, 9145040, 12803056, 16003820, 32007640, 64015280]

約数ペア:

[(1, 64015280), (2, 32007640), (4, 16003820), (5, 12803056), (7, 9145040), (8, 8001910), (10, 6401528), (14, 4572520), (16, 4000955), (20, 3200764), (28, 2286260), (35, 1829008), (40, 1600382), (56, 1143130), (70, 914504), (79, 810320), (80, 800191), (112, 571565), (140, 457252), (158, 405160), (280, 228626), (316, 202580), (395, 162064), (553, 115760), (560, 114313), (632, 101290), (790, 81032), (1106, 57880), (1264, 50645), (1447, 44240), (1580, 40516), (2212, 28940), (2765, 23152), (2894, 22120), (3160, 20258), (4424, 14470), (5530, 11576), (5788, 11060), (6320, 10129), (7235, 8848)]