131145280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 112

約数和(自身を含む): 360493056

約数和(自身を除く): 229347776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 254, 280, 320, 448, 461, 508, 560, 635, 889, 922, 1016, 1120, 1270, 1778, 1844, 2032, 2240, 2305, 2540, 3227, 3556, 3688, 4064, 4445, 4610, 5080, 6454, 7112, 7376, 8128, 8890, 9220, 10160, 12908, 14224, 14752, 16135, 17780, 18440, 20320, 25816, 28448, 29504, 32270, 35560, 36880, 40640, 51632, 56896, 58547, 64540, 71120, 73760, 103264, 117094, 129080, 142240, 147520, 206528, 234188, 258160, 284480, 292735, 409829, 468376, 516320, 585470, 819658, 936752, 1032640, 1170940, 1639316, 1873504, 2049145, 2341880, 3278632, 3747008, 4098290, 4683760, 6557264, 8196580, 9367520, 13114528, 16393160, 18735040, 26229056, 32786320, 65572640, 131145280]

約数ペア:

[(1, 131145280), (2, 65572640), (4, 32786320), (5, 26229056), (7, 18735040), (8, 16393160), (10, 13114528), (14, 9367520), (16, 8196580), (20, 6557264), (28, 4683760), (32, 4098290), (35, 3747008), (40, 3278632), (56, 2341880), (64, 2049145), (70, 1873504), (80, 1639316), (112, 1170940), (127, 1032640), (140, 936752), (160, 819658), (224, 585470), (254, 516320), (280, 468376), (320, 409829), (448, 292735), (461, 284480), (508, 258160), (560, 234188), (635, 206528), (889, 147520), (922, 142240), (1016, 129080), (1120, 117094), (1270, 103264), (1778, 73760), (1844, 71120), (2032, 64540), (2240, 58547), (2305, 56896), (2540, 51632), (3227, 40640), (3556, 36880), (3688, 35560), (4064, 32270), (4445, 29504), (4610, 28448), (5080, 25816), (6454, 20320), (7112, 18440), (7376, 17780), (8128, 16135), (8890, 14752), (9220, 14224), (10160, 12908)]