15769520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 40309920

約数和(自身を除く): 24540400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 257, 260, 295, 472, 514, 520, 590, 767, 944, 1028, 1040, 1180, 1285, 1534, 2056, 2360, 2570, 3068, 3341, 3835, 4112, 4720, 5140, 6136, 6682, 7670, 10280, 12272, 13364, 15163, 15340, 16705, 20560, 26728, 30326, 30680, 33410, 53456, 60652, 61360, 66820, 75815, 121304, 133640, 151630, 197119, 242608, 267280, 303260, 394238, 606520, 788476, 985595, 1213040, 1576952, 1971190, 3153904, 3942380, 7884760, 15769520]

約数ペア:

[(1, 15769520), (2, 7884760), (4, 3942380), (5, 3153904), (8, 1971190), (10, 1576952), (13, 1213040), (16, 985595), (20, 788476), (26, 606520), (40, 394238), (52, 303260), (59, 267280), (65, 242608), (80, 197119), (104, 151630), (118, 133640), (130, 121304), (208, 75815), (236, 66820), (257, 61360), (260, 60652), (295, 53456), (472, 33410), (514, 30680), (520, 30326), (590, 26728), (767, 20560), (944, 16705), (1028, 15340), (1040, 15163), (1180, 13364), (1285, 12272), (1534, 10280), (2056, 7670), (2360, 6682), (2570, 6136), (3068, 5140), (3341, 4720), (3835, 4112)]