77623980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 249553920

約数和(自身を除く): 171929940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 421, 439, 842, 878, 1263, 1317, 1684, 1756, 2105, 2195, 2526, 2634, 2947, 3073, 4210, 4390, 5052, 5268, 5894, 6146, 6315, 6585, 8420, 8780, 8841, 9219, 11788, 12292, 12630, 13170, 14735, 15365, 17682, 18438, 25260, 26340, 29470, 30730, 35364, 36876, 44205, 46095, 58940, 61460, 88410, 92190, 176820, 184380, 184819, 369638, 554457, 739276, 924095, 1108914, 1293733, 1848190, 2217828, 2587466, 2772285, 3696380, 3881199, 5174932, 5544570, 6468665, 7762398, 11089140, 12937330, 15524796, 19405995, 25874660, 38811990, 77623980]

約数ペア:

[(1, 77623980), (2, 38811990), (3, 25874660), (4, 19405995), (5, 15524796), (6, 12937330), (7, 11089140), (10, 7762398), (12, 6468665), (14, 5544570), (15, 5174932), (20, 3881199), (21, 3696380), (28, 2772285), (30, 2587466), (35, 2217828), (42, 1848190), (60, 1293733), (70, 1108914), (84, 924095), (105, 739276), (140, 554457), (210, 369638), (420, 184819), (421, 184380), (439, 176820), (842, 92190), (878, 88410), (1263, 61460), (1317, 58940), (1684, 46095), (1756, 44205), (2105, 36876), (2195, 35364), (2526, 30730), (2634, 29470), (2947, 26340), (3073, 25260), (4210, 18438), (4390, 17682), (5052, 15365), (5268, 14735), (5894, 13170), (6146, 12630), (6315, 12292), (6585, 11788), (8420, 9219), (8780, 8841)]