78514840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 202176000

約数和(自身を除く): 123661160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 59, 68, 76, 85, 95, 103, 118, 136, 152, 170, 190, 206, 236, 295, 323, 340, 380, 412, 472, 515, 590, 646, 680, 760, 824, 1003, 1030, 1121, 1180, 1292, 1615, 1751, 1957, 2006, 2060, 2242, 2360, 2584, 3230, 3502, 3914, 4012, 4120, 4484, 5015, 5605, 6077, 6460, 7004, 7828, 8024, 8755, 8968, 9785, 10030, 11210, 12154, 12920, 14008, 15656, 17510, 19057, 19570, 20060, 22420, 24308, 30385, 33269, 35020, 38114, 39140, 40120, 44840, 48616, 60770, 66538, 70040, 76228, 78280, 95285, 103309, 115463, 121540, 133076, 152456, 166345, 190570, 206618, 230926, 243080, 266152, 332690, 381140, 413236, 461852, 516545, 577315, 665380, 762280, 826472, 923704, 1033090, 1154630, 1330760, 1962871, 2066180, 2309260, 3925742, 4132360, 4618520, 7851484, 9814355, 15702968, 19628710, 39257420, 78514840]

約数ペア:

[(1, 78514840), (2, 39257420), (4, 19628710), (5, 15702968), (8, 9814355), (10, 7851484), (17, 4618520), (19, 4132360), (20, 3925742), (34, 2309260), (38, 2066180), (40, 1962871), (59, 1330760), (68, 1154630), (76, 1033090), (85, 923704), (95, 826472), (103, 762280), (118, 665380), (136, 577315), (152, 516545), (170, 461852), (190, 413236), (206, 381140), (236, 332690), (295, 266152), (323, 243080), (340, 230926), (380, 206618), (412, 190570), (472, 166345), (515, 152456), (590, 133076), (646, 121540), (680, 115463), (760, 103309), (824, 95285), (1003, 78280), (1030, 76228), (1121, 70040), (1180, 66538), (1292, 60770), (1615, 48616), (1751, 44840), (1957, 40120), (2006, 39140), (2060, 38114), (2242, 35020), (2360, 33269), (2584, 30385), (3230, 24308), (3502, 22420), (3914, 20060), (4012, 19570), (4120, 19057), (4484, 17510), (5015, 15656), (5605, 14008), (6077, 12920), (6460, 12154), (7004, 11210), (7828, 10030), (8024, 9785), (8755, 8968)]