123388120

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 283668480

約数和(自身を除く): 160280360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 127, 214, 227, 254, 428, 454, 508, 535, 635, 856, 908, 1016, 1070, 1135, 1270, 1816, 2140, 2270, 2540, 4280, 4540, 5080, 9080, 13589, 24289, 27178, 28829, 48578, 54356, 57658, 67945, 97156, 108712, 115316, 121445, 135890, 144145, 194312, 230632, 242890, 271780, 288290, 485780, 543560, 576580, 971560, 1153160, 3084703, 6169406, 12338812, 15423515, 24677624, 30847030, 61694060, 123388120]

約数ペア:

[(1, 123388120), (2, 61694060), (4, 30847030), (5, 24677624), (8, 15423515), (10, 12338812), (20, 6169406), (40, 3084703), (107, 1153160), (127, 971560), (214, 576580), (227, 543560), (254, 485780), (428, 288290), (454, 271780), (508, 242890), (535, 230632), (635, 194312), (856, 144145), (908, 135890), (1016, 121445), (1070, 115316), (1135, 108712), (1270, 97156), (1816, 67945), (2140, 57658), (2270, 54356), (2540, 48578), (4280, 28829), (4540, 27178), (5080, 24289), (9080, 13589)]