68715920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9472

約数の個数: 80

約数和(自身を含む): 196654080

約数和(自身を除く): 127938160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9439, 18878, 37756, 47195, 66073, 75512, 94390, 122707, 132146, 151024, 188780, 245414, 264292, 330365, 377560, 490828, 528584, 613535, 660730, 755120, 858949, 981656, 1057168, 1227070, 1321460, 1717898, 1963312, 2454140, 2642920, 3435796, 4294745, 4908280, 5285840, 6871592, 8589490, 9816560, 13743184, 17178980, 34357960, 68715920]

約数ペア:

[(1, 68715920), (2, 34357960), (4, 17178980), (5, 13743184), (7, 9816560), (8, 8589490), (10, 6871592), (13, 5285840), (14, 4908280), (16, 4294745), (20, 3435796), (26, 2642920), (28, 2454140), (35, 1963312), (40, 1717898), (52, 1321460), (56, 1227070), (65, 1057168), (70, 981656), (80, 858949), (91, 755120), (104, 660730), (112, 613535), (130, 528584), (140, 490828), (182, 377560), (208, 330365), (260, 264292), (280, 245414), (364, 188780), (455, 151024), (520, 132146), (560, 122707), (728, 94390), (910, 75512), (1040, 66073), (1456, 47195), (1820, 37756), (3640, 18878), (7280, 9439)]