78210210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6469}}^1$

素因数の和:6523

約数の個数: 64

約数和(自身を含む): 208696320

約数和(自身を除く): 130486110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 6469, 12090, 12938, 19407, 32345, 38814, 64690, 84097, 97035, 168194, 194070, 200539, 252291, 401078, 420485, 504582, 601617, 840970, 1002695, 1203234, 1261455, 2005390, 2522910, 2607007, 3008085, 5214014, 6016170, 7821021, 13035035, 15642042, 26070070, 39105105, 78210210]

約数ペア:

[(1, 78210210), (2, 39105105), (3, 26070070), (5, 15642042), (6, 13035035), (10, 7821021), (13, 6016170), (15, 5214014), (26, 3008085), (30, 2607007), (31, 2522910), (39, 2005390), (62, 1261455), (65, 1203234), (78, 1002695), (93, 840970), (130, 601617), (155, 504582), (186, 420485), (195, 401078), (310, 252291), (390, 200539), (403, 194070), (465, 168194), (806, 97035), (930, 84097), (1209, 64690), (2015, 38814), (2418, 32345), (4030, 19407), (6045, 12938), (6469, 12090)]