318672560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6826

約数の個数: 80

約数和(自身を含む): 805186560

約数和(自身を除く): 486514000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 6763, 9424, 11780, 13526, 23560, 27052, 33815, 47120, 54104, 67630, 108208, 128497, 135260, 209653, 256994, 270520, 419306, 513988, 541040, 642485, 838612, 1027976, 1048265, 1284970, 1677224, 2055952, 2096530, 2569940, 3354448, 3983407, 4193060, 5139880, 7966814, 8386120, 10279760, 15933628, 16772240, 19917035, 31867256, 39834070, 63734512, 79668140, 159336280, 318672560]

約数ペア:

[(1, 318672560), (2, 159336280), (4, 79668140), (5, 63734512), (8, 39834070), (10, 31867256), (16, 19917035), (19, 16772240), (20, 15933628), (31, 10279760), (38, 8386120), (40, 7966814), (62, 5139880), (76, 4193060), (80, 3983407), (95, 3354448), (124, 2569940), (152, 2096530), (155, 2055952), (190, 1677224), (248, 1284970), (304, 1048265), (310, 1027976), (380, 838612), (496, 642485), (589, 541040), (620, 513988), (760, 419306), (1178, 270520), (1240, 256994), (1520, 209653), (2356, 135260), (2480, 128497), (2945, 108208), (4712, 67630), (5890, 54104), (6763, 47120), (9424, 33815), (11780, 27052), (13526, 23560)]