71581450920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85216013}}^1$

素因数の和:85216034

約数の個数: 64

約数和(自身を含む): 245422120320

約数和(自身を除く): 173840669400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 85216013, 170432026, 255648039, 340864052, 426080065, 511296078, 596512091, 681728104, 852160130, 1022592156, 1193024182, 1278240195, 1704320260, 1789536273, 2045184312, 2386048364, 2556480390, 2982560455, 3408640520, 3579072546, 4772096728, 5112960780, 5965120910, 7158145092, 8947681365, 10225921560, 11930241820, 14316290184, 17895362730, 23860483640, 35790725460, 71581450920]

約数ペア:

[(1, 71581450920), (2, 35790725460), (3, 23860483640), (4, 17895362730), (5, 14316290184), (6, 11930241820), (7, 10225921560), (8, 8947681365), (10, 7158145092), (12, 5965120910), (14, 5112960780), (15, 4772096728), (20, 3579072546), (21, 3408640520), (24, 2982560455), (28, 2556480390), (30, 2386048364), (35, 2045184312), (40, 1789536273), (42, 1704320260), (56, 1278240195), (60, 1193024182), (70, 1022592156), (84, 852160130), (105, 681728104), (120, 596512091), (140, 511296078), (168, 426080065), (210, 340864052), (280, 255648039), (420, 170432026), (840, 85216013)]