81733440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4481}}^1$

素因数の和:4520

約数の個数: 112

約数和(自身を含む): 273222720

約数和(自身を除く): 191489280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4481, 4560, 6080, 8962, 9120, 13443, 17924, 18240, 22405, 26886, 35848, 44810, 53772, 67215, 71696, 85139, 89620, 107544, 134430, 143392, 170278, 179240, 215088, 255417, 268860, 286784, 340556, 358480, 425695, 430176, 510834, 537720, 681112, 716960, 851390, 860352, 1021668, 1075440, 1277085, 1362224, 1433920, 1702780, 2043336, 2150880, 2554170, 2724448, 3405560, 4086672, 4301760, 5108340, 5448896, 6811120, 8173344, 10216680, 13622240, 16346688, 20433360, 27244480, 40866720, 81733440]

約数ペア:

[(1, 81733440), (2, 40866720), (3, 27244480), (4, 20433360), (5, 16346688), (6, 13622240), (8, 10216680), (10, 8173344), (12, 6811120), (15, 5448896), (16, 5108340), (19, 4301760), (20, 4086672), (24, 3405560), (30, 2724448), (32, 2554170), (38, 2150880), (40, 2043336), (48, 1702780), (57, 1433920), (60, 1362224), (64, 1277085), (76, 1075440), (80, 1021668), (95, 860352), (96, 851390), (114, 716960), (120, 681112), (152, 537720), (160, 510834), (190, 430176), (192, 425695), (228, 358480), (240, 340556), (285, 286784), (304, 268860), (320, 255417), (380, 215088), (456, 179240), (480, 170278), (570, 143392), (608, 134430), (760, 107544), (912, 89620), (960, 85139), (1140, 71696), (1216, 67215), (1520, 53772), (1824, 44810), (2280, 35848), (3040, 26886), (3648, 22405), (4481, 18240), (4560, 17924), (6080, 13443), (8962, 9120)]