154385840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16217}}^1$

素因数の和:16254

約数の個数: 80

約数和(自身を含む): 434382912

約数和(自身を除く): 279997072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 16217, 32434, 64868, 81085, 113519, 129736, 162170, 227038, 259472, 275689, 324340, 454076, 551378, 567595, 648680, 908152, 1102756, 1135190, 1297360, 1378445, 1816304, 1929823, 2205512, 2270380, 2756890, 3859646, 4411024, 4540760, 5513780, 7719292, 9081520, 9649115, 11027560, 15438584, 19298230, 22055120, 30877168, 38596460, 77192920, 154385840]

約数ペア:

[(1, 154385840), (2, 77192920), (4, 38596460), (5, 30877168), (7, 22055120), (8, 19298230), (10, 15438584), (14, 11027560), (16, 9649115), (17, 9081520), (20, 7719292), (28, 5513780), (34, 4540760), (35, 4411024), (40, 3859646), (56, 2756890), (68, 2270380), (70, 2205512), (80, 1929823), (85, 1816304), (112, 1378445), (119, 1297360), (136, 1135190), (140, 1102756), (170, 908152), (238, 648680), (272, 567595), (280, 551378), (340, 454076), (476, 324340), (560, 275689), (595, 259472), (680, 227038), (952, 162170), (1190, 129736), (1360, 113519), (1904, 81085), (2380, 64868), (4760, 32434), (9520, 16217)]