156988527560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5563}}^1\times {\mathrm{7927}}^1$

素因数の和:13590

約数の個数: 64

約数和(自身を含む): 357302275200

約数和(自身を除く): 200313747640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5563, 7927, 11126, 15854, 22252, 27815, 31708, 39635, 44504, 55630, 63416, 79270, 111260, 158540, 222520, 317080, 495107, 705503, 990214, 1411006, 1980428, 2475535, 2822012, 3527515, 3960856, 4951070, 5644024, 7055030, 9902140, 14110060, 19804280, 28220120, 44097901, 88195802, 176391604, 220489505, 352783208, 440979010, 881958020, 1763916040, 3924713189, 7849426378, 15698852756, 19623565945, 31397705512, 39247131890, 78494263780, 156988527560]

約数ペア:

[(1, 156988527560), (2, 78494263780), (4, 39247131890), (5, 31397705512), (8, 19623565945), (10, 15698852756), (20, 7849426378), (40, 3924713189), (89, 1763916040), (178, 881958020), (356, 440979010), (445, 352783208), (712, 220489505), (890, 176391604), (1780, 88195802), (3560, 44097901), (5563, 28220120), (7927, 19804280), (11126, 14110060), (15854, 9902140), (22252, 7055030), (27815, 5644024), (31708, 4951070), (39635, 3960856), (44504, 3527515), (55630, 2822012), (63416, 2475535), (79270, 1980428), (111260, 1411006), (158540, 990214), (222520, 705503), (317080, 495107)]