815383520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{104003}}^1$

素因数の和:104032

約数の個数: 72

約数和(自身を含む): 2240870184

約数和(自身を除く): 1425486664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 104003, 208006, 416012, 520015, 728021, 832024, 1040030, 1456042, 1664048, 2080060, 2912084, 3328096, 3640105, 4160120, 5096147, 5824168, 7280210, 8320240, 10192294, 11648336, 14560420, 16640480, 20384588, 23296672, 25480735, 29120840, 40769176, 50961470, 58241680, 81538352, 101922940, 116483360, 163076704, 203845880, 407691760, 815383520]

約数ペア:

[(1, 815383520), (2, 407691760), (4, 203845880), (5, 163076704), (7, 116483360), (8, 101922940), (10, 81538352), (14, 58241680), (16, 50961470), (20, 40769176), (28, 29120840), (32, 25480735), (35, 23296672), (40, 20384588), (49, 16640480), (56, 14560420), (70, 11648336), (80, 10192294), (98, 8320240), (112, 7280210), (140, 5824168), (160, 5096147), (196, 4160120), (224, 3640105), (245, 3328096), (280, 2912084), (392, 2080060), (490, 1664048), (560, 1456042), (784, 1040030), (980, 832024), (1120, 728021), (1568, 520015), (1960, 416012), (3920, 208006), (7840, 104003)]