20512781550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{2917}}^1\times {\mathrm{5209}}^1$

素因数の和:8147

約数の個数: 96

約数和(自身を含む): 56554341600

約数和(自身を除く): 36041560050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 2917, 5209, 5834, 8751, 10418, 14585, 15627, 17502, 26045, 26253, 29170, 31254, 43755, 46881, 52090, 52506, 72925, 78135, 78759, 87510, 93762, 130225, 131265, 140643, 145850, 156270, 157518, 218775, 234405, 260450, 262530, 281286, 390675, 393795, 437550, 468810, 656325, 703215, 781350, 787590, 1172025, 1312650, 1406430, 1968975, 2344050, 3516075, 3937950, 7032150, 15194653, 30389306, 45583959, 75973265, 91167918, 136751877, 151946530, 227919795, 273503754, 379866325, 410255631, 455839590, 683759385, 759732650, 820511262, 1139598975, 1367518770, 2051278155, 2279197950, 3418796925, 4102556310, 6837593850, 10256390775, 20512781550]

約数ペア:

[(1, 20512781550), (2, 10256390775), (3, 6837593850), (5, 4102556310), (6, 3418796925), (9, 2279197950), (10, 2051278155), (15, 1367518770), (18, 1139598975), (25, 820511262), (27, 759732650), (30, 683759385), (45, 455839590), (50, 410255631), (54, 379866325), (75, 273503754), (90, 227919795), (135, 151946530), (150, 136751877), (225, 91167918), (270, 75973265), (450, 45583959), (675, 30389306), (1350, 15194653), (2917, 7032150), (5209, 3937950), (5834, 3516075), (8751, 2344050), (10418, 1968975), (14585, 1406430), (15627, 1312650), (17502, 1172025), (26045, 787590), (26253, 781350), (29170, 703215), (31254, 656325), (43755, 468810), (46881, 437550), (52090, 393795), (52506, 390675), (72925, 281286), (78135, 262530), (78759, 260450), (87510, 234405), (93762, 218775), (130225, 157518), (131265, 156270), (140643, 145850)]