72978880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 112

約数和(自身を含む): 191255904

約数和(自身を除く): 118277024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 320, 331, 416, 424, 520, 530, 662, 689, 832, 848, 1040, 1060, 1324, 1378, 1655, 1696, 2080, 2120, 2648, 2756, 3310, 3392, 3445, 4160, 4240, 4303, 5296, 5512, 6620, 6890, 8480, 8606, 10592, 11024, 13240, 13780, 16960, 17212, 17543, 21184, 21515, 22048, 26480, 27560, 34424, 35086, 43030, 44096, 52960, 55120, 68848, 70172, 86060, 87715, 105920, 110240, 137696, 140344, 172120, 175430, 220480, 228059, 275392, 280688, 344240, 350860, 456118, 561376, 688480, 701720, 912236, 1122752, 1140295, 1376960, 1403440, 1824472, 2280590, 2806880, 3648944, 4561180, 5613760, 7297888, 9122360, 14595776, 18244720, 36489440, 72978880]

約数ペア:

[(1, 72978880), (2, 36489440), (4, 18244720), (5, 14595776), (8, 9122360), (10, 7297888), (13, 5613760), (16, 4561180), (20, 3648944), (26, 2806880), (32, 2280590), (40, 1824472), (52, 1403440), (53, 1376960), (64, 1140295), (65, 1122752), (80, 912236), (104, 701720), (106, 688480), (130, 561376), (160, 456118), (208, 350860), (212, 344240), (260, 280688), (265, 275392), (320, 228059), (331, 220480), (416, 175430), (424, 172120), (520, 140344), (530, 137696), (662, 110240), (689, 105920), (832, 87715), (848, 86060), (1040, 70172), (1060, 68848), (1324, 55120), (1378, 52960), (1655, 44096), (1696, 43030), (2080, 35086), (2120, 34424), (2648, 27560), (2756, 26480), (3310, 22048), (3392, 21515), (3445, 21184), (4160, 17543), (4240, 17212), (4303, 16960), (5296, 13780), (5512, 13240), (6620, 11024), (6890, 10592), (8480, 8606)]