64541860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 154103040

約数和(自身を除く): 89561180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 97, 103, 170, 190, 194, 206, 323, 340, 380, 388, 412, 485, 515, 646, 970, 1030, 1292, 1615, 1649, 1751, 1843, 1940, 1957, 2060, 3230, 3298, 3502, 3686, 3914, 6460, 6596, 7004, 7372, 7828, 8245, 8755, 9215, 9785, 9991, 16490, 17510, 18430, 19570, 19982, 31331, 32980, 33269, 35020, 36860, 39140, 39964, 49955, 62662, 66538, 99910, 125324, 133076, 156655, 166345, 169847, 189829, 199820, 313310, 332690, 339694, 379658, 626620, 665380, 679388, 759316, 849235, 949145, 1698470, 1898290, 3227093, 3396940, 3796580, 6454186, 12908372, 16135465, 32270930, 64541860]

約数ペア:

[(1, 64541860), (2, 32270930), (4, 16135465), (5, 12908372), (10, 6454186), (17, 3796580), (19, 3396940), (20, 3227093), (34, 1898290), (38, 1698470), (68, 949145), (76, 849235), (85, 759316), (95, 679388), (97, 665380), (103, 626620), (170, 379658), (190, 339694), (194, 332690), (206, 313310), (323, 199820), (340, 189829), (380, 169847), (388, 166345), (412, 156655), (485, 133076), (515, 125324), (646, 99910), (970, 66538), (1030, 62662), (1292, 49955), (1615, 39964), (1649, 39140), (1751, 36860), (1843, 35020), (1940, 33269), (1957, 32980), (2060, 31331), (3230, 19982), (3298, 19570), (3502, 18430), (3686, 17510), (3914, 16490), (6460, 9991), (6596, 9785), (7004, 9215), (7372, 8755), (7828, 8245)]