891891840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{66361}}^1$

素因数の和:66390

約数の個数: 128

約数和(自身を含む): 3249083520

約数和(自身を除く): 2357191680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 66361, 132722, 199083, 265444, 331805, 398166, 464527, 530888, 663610, 796332, 929054, 995415, 1061776, 1327220, 1393581, 1592664, 1858108, 1990830, 2123552, 2322635, 2654440, 2787162, 3185328, 3716216, 3981660, 4247104, 4645270, 5308880, 5574324, 6370656, 6967905, 7432432, 7963320, 8494208, 9290540, 10617760, 11148648, 12741312, 13935810, 14864864, 15926640, 18581080, 21235520, 22297296, 25482624, 27871620, 29729728, 31853280, 37162160, 42471040, 44594592, 55743240, 59459456, 63706560, 74324320, 89189184, 111486480, 127413120, 148648640, 178378368, 222972960, 297297280, 445945920, 891891840]

約数ペア:

[(1, 891891840), (2, 445945920), (3, 297297280), (4, 222972960), (5, 178378368), (6, 148648640), (7, 127413120), (8, 111486480), (10, 89189184), (12, 74324320), (14, 63706560), (15, 59459456), (16, 55743240), (20, 44594592), (21, 42471040), (24, 37162160), (28, 31853280), (30, 29729728), (32, 27871620), (35, 25482624), (40, 22297296), (42, 21235520), (48, 18581080), (56, 15926640), (60, 14864864), (64, 13935810), (70, 12741312), (80, 11148648), (84, 10617760), (96, 9290540), (105, 8494208), (112, 7963320), (120, 7432432), (128, 6967905), (140, 6370656), (160, 5574324), (168, 5308880), (192, 4645270), (210, 4247104), (224, 3981660), (240, 3716216), (280, 3185328), (320, 2787162), (336, 2654440), (384, 2322635), (420, 2123552), (448, 1990830), (480, 1858108), (560, 1592664), (640, 1393581), (672, 1327220), (840, 1061776), (896, 995415), (960, 929054), (1120, 796332), (1344, 663610), (1680, 530888), (1920, 464527), (2240, 398166), (2688, 331805), (3360, 265444), (4480, 199083), (6720, 132722), (13440, 66361)]