1688220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 5228496

約数和(自身を除く): 3540276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 113, 166, 180, 226, 249, 332, 339, 415, 452, 498, 565, 678, 747, 830, 996, 1017, 1130, 1245, 1356, 1494, 1660, 1695, 2034, 2260, 2490, 2988, 3390, 3735, 4068, 4980, 5085, 6780, 7470, 9379, 10170, 14940, 18758, 20340, 28137, 37516, 46895, 56274, 84411, 93790, 112548, 140685, 168822, 187580, 281370, 337644, 422055, 562740, 844110, 1688220]

約数ペア:

[(1, 1688220), (2, 844110), (3, 562740), (4, 422055), (5, 337644), (6, 281370), (9, 187580), (10, 168822), (12, 140685), (15, 112548), (18, 93790), (20, 84411), (30, 56274), (36, 46895), (45, 37516), (60, 28137), (83, 20340), (90, 18758), (113, 14940), (166, 10170), (180, 9379), (226, 7470), (249, 6780), (332, 5085), (339, 4980), (415, 4068), (452, 3735), (498, 3390), (565, 2988), (678, 2490), (747, 2260), (830, 2034), (996, 1695), (1017, 1660), (1130, 1494), (1245, 1356)]