61375140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{977}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 186895800

約数和(自身を除く): 125520660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 977, 1047, 1396, 1745, 1954, 2094, 2931, 3141, 3490, 3908, 4188, 4885, 5235, 5862, 6282, 6980, 8793, 9770, 10470, 11724, 12564, 14655, 15705, 17586, 19540, 20940, 29310, 31410, 35172, 43965, 58620, 62820, 87930, 175860, 340973, 681946, 1022919, 1363892, 1704865, 2045838, 3068757, 3409730, 4091676, 5114595, 6137514, 6819460, 10229190, 12275028, 15343785, 20458380, 30687570, 61375140]

約数ペア:

[(1, 61375140), (2, 30687570), (3, 20458380), (4, 15343785), (5, 12275028), (6, 10229190), (9, 6819460), (10, 6137514), (12, 5114595), (15, 4091676), (18, 3409730), (20, 3068757), (30, 2045838), (36, 1704865), (45, 1363892), (60, 1022919), (90, 681946), (180, 340973), (349, 175860), (698, 87930), (977, 62820), (1047, 58620), (1396, 43965), (1745, 35172), (1954, 31410), (2094, 29310), (2931, 20940), (3141, 19540), (3490, 17586), (3908, 15705), (4188, 14655), (4885, 12564), (5235, 11724), (5862, 10470), (6282, 9770), (6980, 8793)]