68219025

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 138250080

約数和(自身を除く): 70031055

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 977, 1225, 1425, 1995, 2793, 2931, 3325, 3675, 4655, 4885, 6839, 9975, 13965, 14655, 18563, 20517, 23275, 24425, 34195, 47873, 55689, 69825, 73275, 92815, 102585, 129941, 143619, 170975, 239365, 278445, 389823, 464075, 512925, 649705, 718095, 909587, 1196825, 1392225, 1949115, 2728761, 3248525, 3590475, 4547935, 9745575, 13643805, 22739675, 68219025]

約数ペア:

[(1, 68219025), (3, 22739675), (5, 13643805), (7, 9745575), (15, 4547935), (19, 3590475), (21, 3248525), (25, 2728761), (35, 1949115), (49, 1392225), (57, 1196825), (75, 909587), (95, 718095), (105, 649705), (133, 512925), (147, 464075), (175, 389823), (245, 278445), (285, 239365), (399, 170975), (475, 143619), (525, 129941), (665, 102585), (735, 92815), (931, 73275), (977, 69825), (1225, 55689), (1425, 47873), (1995, 34195), (2793, 24425), (2931, 23275), (3325, 20517), (3675, 18563), (4655, 14655), (4885, 13965), (6839, 9975)]