31320816

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 86720640

約数和(自身を除く): 55399824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 456, 488, 563, 732, 912, 976, 1126, 1159, 1464, 1689, 2252, 2318, 2928, 3378, 3477, 4504, 4636, 6756, 6954, 9008, 9272, 10697, 13512, 13908, 18544, 21394, 27024, 27816, 32091, 34343, 42788, 55632, 64182, 68686, 85576, 103029, 128364, 137372, 171152, 206058, 256728, 274744, 412116, 513456, 549488, 652517, 824232, 1305034, 1648464, 1957551, 2610068, 3915102, 5220136, 7830204, 10440272, 15660408, 31320816]

約数ペア:

[(1, 31320816), (2, 15660408), (3, 10440272), (4, 7830204), (6, 5220136), (8, 3915102), (12, 2610068), (16, 1957551), (19, 1648464), (24, 1305034), (38, 824232), (48, 652517), (57, 549488), (61, 513456), (76, 412116), (114, 274744), (122, 256728), (152, 206058), (183, 171152), (228, 137372), (244, 128364), (304, 103029), (366, 85576), (456, 68686), (488, 64182), (563, 55632), (732, 42788), (912, 34343), (976, 32091), (1126, 27816), (1159, 27024), (1464, 21394), (1689, 18544), (2252, 13908), (2318, 13512), (2928, 10697), (3378, 9272), (3477, 9008), (4504, 6954), (4636, 6756)]