161593120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77689}}^1$

素因数の和:77717

約数の個数: 48

約数和(自身を含む): 411135480

約数和(自身を除く): 249542360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 77689, 155378, 310756, 388445, 621512, 776890, 1009957, 1243024, 1553780, 2019914, 2486048, 3107560, 4039828, 5049785, 6215120, 8079656, 10099570, 12430240, 16159312, 20199140, 32318624, 40398280, 80796560, 161593120]

約数ペア:

[(1, 161593120), (2, 80796560), (4, 40398280), (5, 32318624), (8, 20199140), (10, 16159312), (13, 12430240), (16, 10099570), (20, 8079656), (26, 6215120), (32, 5049785), (40, 4039828), (52, 3107560), (65, 2486048), (80, 2019914), (104, 1553780), (130, 1243024), (160, 1009957), (208, 776890), (260, 621512), (416, 388445), (520, 310756), (1040, 155378), (2080, 77689)]