77423865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 140507136

約数和(自身を除く): 63083271

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 85, 115, 129, 215, 255, 307, 345, 391, 645, 731, 921, 989, 1173, 1535, 1955, 2193, 2967, 3655, 4605, 4945, 5219, 5865, 7061, 10965, 13201, 14835, 15657, 16813, 21183, 26095, 35305, 39603, 50439, 66005, 78285, 84065, 105915, 120037, 198015, 224417, 252195, 303623, 360111, 600185, 673251, 910869, 1122085, 1518115, 1800555, 3366255, 4554345, 5161591, 15484773, 25807955, 77423865]

約数ペア:

[(1, 77423865), (3, 25807955), (5, 15484773), (15, 5161591), (17, 4554345), (23, 3366255), (43, 1800555), (51, 1518115), (69, 1122085), (85, 910869), (115, 673251), (129, 600185), (215, 360111), (255, 303623), (307, 252195), (345, 224417), (391, 198015), (645, 120037), (731, 105915), (921, 84065), (989, 78285), (1173, 66005), (1535, 50439), (1955, 39603), (2193, 35305), (2967, 26095), (3655, 21183), (4605, 16813), (4945, 15657), (5219, 14835), (5865, 13201), (7061, 10965)]