72868976120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{218249}}^1$

素因数の和:218768

約数の個数: 64

約数和(自身を含む): 173953980000

約数和(自身を除く): 101085003880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 491, 680, 982, 1964, 2455, 3928, 4910, 8347, 9820, 16694, 19640, 33388, 41735, 66776, 83470, 166940, 218249, 333880, 436498, 872996, 1091245, 1745992, 2182490, 3710233, 4364980, 7420466, 8729960, 14840932, 18551165, 29681864, 37102330, 74204660, 107160259, 148409320, 214320518, 428641036, 535801295, 857282072, 1071602590, 1821724403, 2143205180, 3643448806, 4286410360, 7286897612, 9108622015, 14573795224, 18217244030, 36434488060, 72868976120]

約数ペア:

[(1, 72868976120), (2, 36434488060), (4, 18217244030), (5, 14573795224), (8, 9108622015), (10, 7286897612), (17, 4286410360), (20, 3643448806), (34, 2143205180), (40, 1821724403), (68, 1071602590), (85, 857282072), (136, 535801295), (170, 428641036), (340, 214320518), (491, 148409320), (680, 107160259), (982, 74204660), (1964, 37102330), (2455, 29681864), (3928, 18551165), (4910, 14840932), (8347, 8729960), (9820, 7420466), (16694, 4364980), (19640, 3710233), (33388, 2182490), (41735, 1745992), (66776, 1091245), (83470, 872996), (166940, 436498), (218249, 333880)]