128611290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{599}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 328147200

約数和(自身を除く): 199535910

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 421, 510, 599, 842, 1198, 1263, 1797, 2105, 2526, 2995, 3594, 4210, 5990, 6315, 7157, 8985, 10183, 12630, 14314, 17970, 20366, 21471, 30549, 35785, 42942, 50915, 61098, 71570, 101830, 107355, 152745, 214710, 252179, 305490, 504358, 756537, 1260895, 1513074, 2521790, 3782685, 4287043, 7565370, 8574086, 12861129, 21435215, 25722258, 42870430, 64305645, 128611290]

約数ペア:

[(1, 128611290), (2, 64305645), (3, 42870430), (5, 25722258), (6, 21435215), (10, 12861129), (15, 8574086), (17, 7565370), (30, 4287043), (34, 3782685), (51, 2521790), (85, 1513074), (102, 1260895), (170, 756537), (255, 504358), (421, 305490), (510, 252179), (599, 214710), (842, 152745), (1198, 107355), (1263, 101830), (1797, 71570), (2105, 61098), (2526, 50915), (2995, 42942), (3594, 35785), (4210, 30549), (5990, 21471), (6315, 20366), (7157, 17970), (8985, 14314), (10183, 12630)]