51394770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 159252480

約数和(自身を除く): 107857710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 383, 426, 497, 630, 639, 710, 766, 945, 994, 1065, 1149, 1278, 1491, 1890, 1915, 1917, 2130, 2298, 2485, 2681, 2982, 3195, 3447, 3830, 3834, 4473, 4970, 5362, 5745, 6390, 6894, 7455, 8043, 8946, 9585, 10341, 11490, 13405, 13419, 14910, 16086, 17235, 19170, 20682, 22365, 24129, 26810, 26838, 27193, 34470, 40215, 44730, 48258, 51705, 54386, 67095, 72387, 80430, 81579, 103410, 120645, 134190, 135965, 144774, 163158, 190351, 241290, 244737, 271930, 361935, 380702, 407895, 489474, 571053, 723870, 734211, 815790, 951755, 1142106, 1223685, 1468422, 1713159, 1903510, 2447370, 2855265, 3426318, 3671055, 5139477, 5710530, 7342110, 8565795, 10278954, 17131590, 25697385, 51394770]

約数ペア:

[(1, 51394770), (2, 25697385), (3, 17131590), (5, 10278954), (6, 8565795), (7, 7342110), (9, 5710530), (10, 5139477), (14, 3671055), (15, 3426318), (18, 2855265), (21, 2447370), (27, 1903510), (30, 1713159), (35, 1468422), (42, 1223685), (45, 1142106), (54, 951755), (63, 815790), (70, 734211), (71, 723870), (90, 571053), (105, 489474), (126, 407895), (135, 380702), (142, 361935), (189, 271930), (210, 244737), (213, 241290), (270, 190351), (315, 163158), (355, 144774), (378, 135965), (383, 134190), (426, 120645), (497, 103410), (630, 81579), (639, 80430), (710, 72387), (766, 67095), (945, 54386), (994, 51705), (1065, 48258), (1149, 44730), (1278, 40215), (1491, 34470), (1890, 27193), (1915, 26838), (1917, 26810), (2130, 24129), (2298, 22365), (2485, 20682), (2681, 19170), (2982, 17235), (3195, 16086), (3447, 14910), (3830, 13419), (3834, 13405), (4473, 11490), (4970, 10341), (5362, 9585), (5745, 8946), (6390, 8043), (6894, 7455)]