78435420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9829}}^1$

素因数の和:9867

約数の個数: 96

約数和(自身を含む): 264230400

約数和(自身を除く): 185794980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9829, 19658, 29487, 39316, 49145, 58974, 68803, 98290, 117948, 137606, 147435, 186751, 196580, 206409, 275212, 294870, 344015, 373502, 412818, 560253, 589740, 688030, 747004, 825636, 933755, 1032045, 1120506, 1307257, 1376060, 1867510, 2064090, 2241012, 2614514, 2801265, 3735020, 3921771, 4128180, 5229028, 5602530, 6536285, 7843542, 11205060, 13072570, 15687084, 19608855, 26145140, 39217710, 78435420]

約数ペア:

[(1, 78435420), (2, 39217710), (3, 26145140), (4, 19608855), (5, 15687084), (6, 13072570), (7, 11205060), (10, 7843542), (12, 6536285), (14, 5602530), (15, 5229028), (19, 4128180), (20, 3921771), (21, 3735020), (28, 2801265), (30, 2614514), (35, 2241012), (38, 2064090), (42, 1867510), (57, 1376060), (60, 1307257), (70, 1120506), (76, 1032045), (84, 933755), (95, 825636), (105, 747004), (114, 688030), (133, 589740), (140, 560253), (190, 412818), (210, 373502), (228, 344015), (266, 294870), (285, 275212), (380, 206409), (399, 196580), (420, 186751), (532, 147435), (570, 137606), (665, 117948), (798, 98290), (1140, 68803), (1330, 58974), (1596, 49145), (1995, 39316), (2660, 29487), (3990, 19658), (7980, 9829)]